One of my favorite ways to keep up with lectures or conferences I can’t attend (moreso than streaming video) is by following those livetweeting them because they do the hard work of selecting/attending to speakers, parsing out the nuggets of valuable information, and distilling them into bite-sided morsels. Then like a mother bird, they regurgitate it into our gaping maws.
Not only that, but they establish a tangible record one can reference later if necessary.
The downside is that concision demanded by 140 characters can cause problems of translation and mixed messages. But it’s good enough for an era of Perpetual Beta. In addition, there are typically multiple people livetweeting the same event and one can compare their conclusions to get a good idea of what is actually being said.