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"I'm an avid Facebook user, and I love some of the more recent features, especially the Live Feed and the Chat. The first gives me a great, thorough overview of what my friends have been doing lately, while a solid portion of my chatting (of which I do a lot) has moved to Facebook. However, these features have now been out for more than a couple of month, and unfortunatelly they're still buggy as hell. \nThe Live Feed is laggy. Most of the time it's not up to date - and we're not talking seconds or minutes here, we're talking hours late, after which it suddenly gets updated all at once. Sure, I can still use the News Feed, but I prefer to see all of my friends' activity, not only what Facebook's algorithms chose as relevant. Perhaps I'm alone here, but the Live Feed is basically the most important part of my Facebook experience, and in its current state it's nearly unusable. \nThe chat is even worse. Frequent dropouts, undelivered messages, notifications that your chat buddy has gone offline (and he/she hasn't), and yes, the occasional complete blackout with the message that the Facebook chat is not available at the moment - all of these make the chatting experience quite painful. \nThe thing about chat is that it must be reliable. You can exchange hundreds of messages without problems, but if even one of those gets dropped you'll be annoyed. Just like with web hosting, there's very little margin for error here; if the chat is not 99.99% reliable people are going to get angry. And currently, Facebook's chat is nowhere near that stage as far as reliability goes. \nHopefully the folks at Facebook will wake up and start working on improving their quality of service, because this is getting slightly annoying. If you've had bad (or good) experiences with the reliability of Live Feed and Chat, please let us know in the comments."^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2008/10/03/facebook-bugs/>