I'm going to be direct: most B2B video teams are guessing at topics. They run keyword tools, look at competitor channels, and build a content calendar full of ideas that feel right but have no audience signal behind them. Using Reddit, Quora and Hacker News to source video topics changes that completely. These platforms give you unfiltered buyer language, real pain points, and validated demand, all before you produce a single frame.

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TL;DR

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• Reddit surfaces raw buyer pain in real time; upvoted threads are pre-validated video ideas.
• Quora reveals evergreen questions your buyers are already Googling, and that rank for years.
• Hacker News is the signal layer for what technical founders and early adopters care about next.
• All three feed a content repurposing pipeline that drives pipeline, demos, and product trust.

How to Find Video Ideas on Reddit: Subreddit Niche Research That Actually Works

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Reddit is not a social platform, it's a community-driven content discovery engine for buyer intent. 75% of surveyed B2B users consult Reddit for future purchase decisions. That makes every upvoted thread a pre-validated video brief. The mistake most SaaS teams make is hunting in founder communities. Subreddits like r/SaaS and r/indiehackers are founder communities, not buyer communities. If you sell DevOps tooling, your buyer is a platform engineering lead spending lunch breaks in r/devops, not in r/SaaS.

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Here is how to run subreddit niche research for video topic discovery:

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• Map buyer role to community: Identify which subreddit your ICP actually reads. For a SaaS tool targeting RevOps, that is r/salesforce or r/hubspot. For marketing ops, r/SEO or r/analytics.
• Search for "how do I" and "what's the best" threads: These question-format posts are the clearest signal for explainer video angles.
• Filter by Top Posts (Past Year): Upvotes confirm sustained demand, not just momentary curiosity.
• Extract exact language: The headline of a 500-upvote post is often a better video title than anything a keyword tool produces.
• Check the comments: Comment threads expose objections, competitor comparisons, and feature gaps, all usable as video hooks.

Subreddits like r/SaaS, r/startups, and r/Entrepreneur are filled with questions your ICP is typing into Google. Using Subreddit Stats or Reddit's own search filters, you can track recurring threads and spot long-tail topics before competitors. Dozens of posts asking "best CRM for a 10-person team" or "invoice approvals without hiring finance staff" are a direct signal to create content addressing those exact pain points.

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For B2B SaaS video teams, the highest-value subreddits by buyer intent are:

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The AI search angle is the bigger story for 2026. Reddit accounts for 46.4% of all social media citations in AI responses, more than double any other platform. Video content built from Reddit threads earns discoverability on two surfaces: YouTube and AI-generated answers.

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How Creators Use Quora for Video Inspiration: Question-Based Content Strategy

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Quora answers rank exceptionally well on Google for long-tail keywords. That is the core reason it belongs in any video topic research system. Questions that rank for five years are not trend-chasing topics. They are evergreen pillars. Quora Spaces and topics are better for high-level theory and evergreen "how-to" guides, which map directly to explainer videos, product education clips, and founder-led thought leadership content.

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Here is how to use Quora for video inspiration systematically:

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• Search your product category: For a B2B SaaS team, search terms like "SaaS implementation," "software solutions for business," or your direct product category.
• Filter by follower count: Look for questions with a high follower count, as this indicates interest and will increase the reach of your answer. High follower count on Quora = high search volume for your video.
• Prioritise evergreen over trend: Long-term questions with "evergreen" potential can be excellent for generating leads as they're likely to attract views over time.
• Follow competitor activity: If your competitors are on Quora, follow the same questions they're answering. This is a great way to engage the same audience with your unique perspective.
• Mine Spaces for topic clusters: The "SaaS Growth" Space is a great repository for case studies and reveals the specific problems buyers search for before they evaluate vendors.

What questions on Quora make the best video topics? Look for any question that:

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• Has 500+ followers and no authoritative video answer on YouTube
• Asks "how do I" or "what is the difference between" (comparison intent = high demo demand)
• Maps to a pain point your product solves (turns the video into passive sales enablement)

Unlike other platforms where content gets buried, the knowledge shared on Quora is evergreen, delivering leads and driving influence even years after being written.

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That durability means a single video topic sourced from Quora can support your short-form video content strategy for years, not just one publishing cycle.

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Finding Trending Video Ideas on Hacker News: The Tech Signal Layer

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Hacker News is a social news website run by Y Combinator. It focuses on computer science, startups, programming, and tech discussion, with users submitting links and comments that are voted on by the community. For B2B SaaS teams building using Reddit, Quora and Hacker News to source video topics, HN plays a different role to the other two. It is not where you find mass demand. It is where you find early signals, the pain points, debates, and technical comparisons that become mainstream video topics six to twelve months later.

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Hacker News is rarely a clean mirror of the market, yet it is still one of the best places to spot where builders, hiring managers, and technical founders are shifting their attention before polished reports catch up., Hacker News Trends, June 2026

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Here is how to use HN specifically for tech video ideas:

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• Monitor "Ask HN" threads: "Ask HN" threads saw a 34% increase in comment volume in 2025, indicating a more inquisitive audience. These threads expose what founders and developers genuinely cannot figure out, ideal video territory.
• Watch the front page for category signals: AI is still hot, but the real money is shifting toward trust, security, and controlled workflows rather than flashy demos. Video topics built around this tension outperform generic AI explainers.
• Look at "Show HN" posts with high comment velocity: Comments, not just upvotes, signal genuine interest and unresolved questions, both of which become video hooks.
• Track hiring threads: Hiring threads show real demand for AI engineers, coding agents, LLM product work, secure dev tools, and hybrid builders who can ship across the stack. Where companies hire, buyers invest, and buyer education videos in those categories get watched.
• Use HN Trends tools: Sites like hntrends.hatefulmoth.com let you search comment frequency over time to validate that a topic is building momentum, not fading.

Hacker News is a goldmine for attracting early adopters and gathering honest feedback. For a video marketing strategy, that means producing content about problems that are just becoming acute, before every competitor has already made the same video.

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Reddit vs Quora vs Hacker News for Content Research: Which Platform to Prioritise?

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Each platform gives you a different type of audience signal. Using all three without a framework wastes time. Here is how they compare for video topic research:

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Reddit provides immediacy and raw user sentiment, while Quora delivers durability and structured reach. The combination covers both discovery and long-term authority. Hacker News fills the trend prediction layer.

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The practical workflow:

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• Weekly Reddit scan (30 min): Pull 5 upvoted posts from your top 3 buyer subreddits. Flag any with 200+ upvotes and unresolved comment threads.
• Monthly Quora audit (45 min): Search your product category. Identify 3 questions with 500+ followers and no strong video answers on YouTube.
• Bi-weekly HN check (20 min): Review Ask HN and Show HN posts from the past two weeks. Flag any topic cluster appearing in 3+ separate threads.

Use Reddit to test whether a topic or pain point resonates, then create a polished Quora answer that can rank long-term. Then build the video around the Quora framing so it earns both YouTube views and long-tail search traffic. This is the full content repurposing pipeline, one idea source feeds multiple distribution surfaces.

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How to Turn Reddit Posts into Video Content: The Repurposing Pipeline

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Sourcing a topic from Reddit is step one. The real leverage comes from the content repurposing pipeline, turning one thread into a multi-format video asset.

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Here is the exact process:

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• Identify a high-signal thread: 200+ upvotes, a question headline, and a comment thread with genuine debate or multiple perspectives.
• Extract the core question as your video title: Do not rewrite it into marketing language. Use the exact phrasing from the post, it reflects how your buyer Googles.
• Map the comments to your video structure: Top-voted comments become your talking points. Pushback comments become your "common objections" segment. This structure is already audience-validated.
• Build the script around the pain, not the product: The video should answer the Reddit question completely. Your product appears as a solution in context, not as the subject.
• Repurpose the long-form video into shorts: Each key point in the video becomes a standalone 60-90 second clip, optimised for LinkedIn and YouTube Shorts.
• Distribute back into the community: After publishing, a link to the video in the original thread (where appropriate and allowed) closes the loop, the same community that generated the idea becomes the first audience.

Strong answers shouldn't be limited to community platforms alone. Turn them into blog posts, LinkedIn threads, or short YouTube explainers. This extends their reach, reinforces topical authority, and adds more SEO value to your owned channels.

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For B2B SaaS teams, this pipeline specifically turns Reddit thread pain into the content types that move the pipeline: product education clips, objection-handling videos, and comparison content. If you want to take existing long-form assets, podcasts, webinars, or recorded demos, and feed them back through this system, the output is a consistent library of short-form assets grounded in real buyer language.

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Platform-Native Engagement: Avoiding the Mistakes That Destroy Community Trust

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Using Reddit, Quora and Hacker News to source video topics is research, not outreach. The distinction matters. The single most common failure mode is treating Reddit as a marketing channel rather than a community channel.

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The rules that preserve research access and community credibility:

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• Never spam threads with promotional links. Communities spot low-quality tactics immediately. Over-optimised language or forced links will get downvoted, reported, or removed.
• Read each subreddit's rules before engaging. Each subreddit has its own rules. If you don't know them, you will get kicked out immediately.
• Engage as a person, not a brand. Write like a human being would, not like a company would. Founder accounts outperform brand accounts on every community platform.
• Prioritise consistency over volume. Both Reddit and Quora reward consistency. Showing up weekly compounds faster than three posts in a day followed by silence.
• On Quora, answer before you source. Before using a question as a video topic, contribute a genuine answer. This builds profile authority and gives you real insight into what the audience actually wants to know.
• On Hacker News, read before you post. HN's community has calibrated defenses for anything that smells like content marketing. Use it as a listening post first, a publishing platform second.

Domains with significant brand mentions on Quora and Reddit have roughly 4x higher chances of being cited by AI systems than those with minimal community activity. Authentic engagement is not just an ethics requirement, it is a compounding distribution advantage.

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Conclusion

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Using Reddit, Quora and Hacker News to source video topics gives B2B SaaS teams a research edge that keyword tools cannot replicate. Each platform provides a different signal layer: real-time buyer pain, evergreen search demand, and early-adopter trend detection.

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Key takeaways:

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• Reddit upvotes validate video demand before you produce a frame.
• Quora questions reveal the evergreen topics your buyers Google during the buying process.
• Hacker News surfaces what technical buyers will care about next, before competitors catch up.
• The repurposing pipeline converts one thread into shorts, explainers, and sales enablement assets.

If your team wants to build this system without the operational overhead, Komet Media's video growth services turn community-sourced research into a consistent short-form pipeline.

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Frequently Asked Questions

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Q1: What is the fastest way to find video ideas on Reddit?

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Search your buyer's role-specific subreddit (not a general founder community) and filter by Top Posts from the past year. Any post with 200+ upvotes and an unresolved comment thread is a pre-validated video topic. The post headline is often a better video title than any keyword tool output.

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Q2: Which Quora topics produce the best YouTube video ideas for B2B SaaS?

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Topics with high follower counts and no strong video answer on YouTube are the most valuable. Search your product category, filter for evergreen questions framed as "how do I" or "what is the difference between," and prioritise those that map to a buying decision your audience makes.

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Q3: How do you use Hacker News to find tech video ideas?

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Monitor "Ask HN" threads for problems that recur across multiple posts and watch hiring threads for the categories companies are actively investing in. Topics appearing in 3+ separate HN threads within a month are moving toward mainstream demand, build the video now, before saturation.

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Q4: How is Reddit different from Quora for video content research?

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Reddit gives you raw, real-time buyer language and current pain points. Quora gives you structured, evergreen questions that already rank on Google. Use Reddit to validate whether a topic resonates quickly, then use Quora's framing to build video content designed for long-term search visibility.

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Q5: Can I turn Reddit posts directly into short-form video scripts?

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Yes. Extract the post's core question as your hook, map the top-voted comments to your talking points, and treat the pushback comments as your objection-handling segment. The structure is already audience-validated. Your product enters as a solution in context, not as the subject of the video.

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Q6: How often should I research video topics on these platforms?

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A weekly 30-minute Reddit scan, a bi-weekly 20-minute Hacker News check, and a monthly 45-minute Quora audit is a sustainable cadence. This produces enough validated topic ideas to feed a consistent short-form video production schedule without turning community research into a full-time job.

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