Questions, answers, and comments on Stack Overflow are carefully curated for concise, quality content. "Chattiness" is explicitly discouraged, reserved for actual SO chatrooms. But I'd rather have something more informal than comments on the question page itself for the occasional note to self, back and forth, or snarky diatribe.
That pretty much sums up Stack Chat. When you click the browser icon, a panel slides out with messages relevant to the question page you are on. If you aren't on a question page, you'll get some global chats to peruse. If you aren't on Stack Overflow at all, it will redirect you there.
Extore is a team of professionals who are passionate about creating extensions for web browsers. This devotion also gives us opportunity to appreciate work of other people. We get inspired by useful, open source extensions made by developers all over the world. Our strong belief is that one should share helpful add-ons with others. That’s why we’d like to present you our ever-growing list of favourite extensions that have inspired us. Moreover, as you probably have already learned, sometimes struggling for the best brings an end to the good. Talking about add-ons it often turns out that an upgrade is worse then previous version. Also it can become really tricky to get back to the beloved version of your favourite extension. That’s why we’re going to make not only the latest, but all versions of our favourite (and we hope yours too) add-ons available for download. No more compromises, just stick to the version you really like!