Most likely you mean “UGC” = user‑generated content. Quick primer plus practical notes:

What it is

• Any content — text, photos, video, reviews, audio, memes, streams, tutorials, or ratings — created by unpaid users/customers (not professional staff).
• Examples: customer Instagram photos, YouTube product reviews, app store reviews, forum posts, TikTok reactions, Reddit threads.

Why it matters

• Trust & social proof: people trust peers more than ads.
• Cost-effective scale: lots of authentic content without full production budgets.
• SEO and discoverability: fresh, relevant content can boost organic reach.
• Engagement & community building: UGC fosters loyalty and repeat visits.

Where it appears (platforms)

• Social media (Instagram, TikTok, Facebook, X), review sites (Yelp, TripAdvisor, app stores), forums (Reddit, Discord), e‑commerce product pages, brand communities.

How brands encourage UGC (tactics)

• Ask for it: call-to-action on receipts, packaging, emails.
• Hashtag campaigns and challenges.
• Contests or incentives (discounts, prizes) — ensure rules comply with laws/platform TOS.
• Feature user work (shoutouts, curated galleries) to motivate contributors.
• Make sharing easy: social sharing buttons, simple upload flows.

Best practices for using UGC

• Get permission and a clear license (explicit opt-in or UGC terms).
• Credit creators publicly when possible.
• Moderate for safety and brand fit (automated filters + human review).
• Follow privacy and age rules — don’t republish minors’ content without guardian consent.
• Comply with advertising regulations: disclose paid relationships or incentives (e.g., FTC guidance in the U.S.).

Metrics to track

• Volume of submissions, engagement (likes/comments/shares), conversion rate from UGC to sales, time-on-page, sentiment, reach/impressions, cost per acquisition when UGC is used in campaigns.

Risks & legal issues

• Copyright and IP: users may not own all rights to what they post.
• Defamation/false claims in reviews.
• Privacy breaches (private info in images/text).
• Platform rules and sweepstakes/contest laws.

Quick checklist to run a UGC campaign

1. Define goal (awareness, reviews, content library).
2. Choose platform & format.
3. Create clear entry rules and consent language.
4. Offer guidance/examples to contributors.
5. Set moderation process and safety rules.
6. Measure results and iterate.

Other meanings (if you meant something else)

• UGC can also mean University Grants Commission (in some countries), Ultimate Guitar Community, Unlicensed Gaming Console, etc. If you meant a different UGC, tell me which one and I’ll adapt.

Want a short campaign template, legal release wording, or examples tailored to your product or platform?