140 is a feature, not a bug. But anyway, hashtags have nothing to do with the character limit, and everything to do with search and conversation. They make it e

140 is a feature, not a bug. But anyway, hashtags have nothing to do with the character limit, and everything to do with search and conversation. They make it easy to find people all talking about the same subject, with no group setup or other configuration beforehand. I know a lot of nerds hate Twitter because they think it's "for the cool kids" or whatever, but this is silly.