WHOT?! is a free Chrome extension developed by S3 Wireless. It falls under the category of Browsers and is listed as an Add-ons & Tools subcategory.

This extension offers a fun and innovative way to discover and share what's hot on the web. With WHOT?!, you can comment, upvote or downvote, and hashtag links as you browse the internet. It allows you to follow your friends and other WHOT?! users, as well as subscribe to hashtags that interest you.

By using this extension, you can easily stay up-to-date with the latest trends and discussions happening online. WHOT?! provides a convenient and user-friendly platform for exploring and engaging with popular content on the web.