Group items tagged

Embedded reply and retweet. Hashtags support. Endless-Tweet functionality. Highlighting of your tweets, plus tweets referring to you.

Ok, so what is Twitter and why should you care?  First, let's start with what it isn't.  Twitter is *not* about micro-blogging.  Yes, it is described this way - yes even by it's founders.  But they have also admittedly publicly that much of the innovation on Twitter has happened in the user base - the convention for retweets (RT), for example, came from the user base.  For those of you who are new, RT is just a way to a convention for sharing a message from someone you follow to your own followers.  It's sort of citation plus recommendation plus message all wrapped in a little two letter acronym.