Plurk, Tumblr, Vox, Xanga, XING, Google Buzz, Friendster, holy crap, how in the world are you supposed to keep track of them all? To put it simply, actually become part of their community and look for ways to invite them into yours. As of this writing, Tweetdeck has released a browser version of it’s software too, but I haven’t played with it yet. Tweet. Right?