Buyer signals
Post one useful signal per product, mark helpful notes, and add context without flooding the page.
Buyer signal layer
RevBeacon
Community buyer signals, comments, helpful votes, and price snapshots for product pages. RevBeacon reads the active product page only when you open it.
Price snapshots
RevBeacon saves simple product price observations only when users open the extension on that product.
Privacy first
No browsing-history collection, no all-sites permission, and no background scraping of every page.