Everybody else seems to be weighing in, but I'll do it to: The current "terrible" situation of Too Many Social Networks is just absolutely great - waking up and finding the primary way celebrity-brand-rando-weirdo culture was communicating had shifted overnight by fiat was getting dull, and a necessary evil for a twitter monopoly. Now we're back to where you can have 3-5 whole days before you find out there's drama.
@textfiles being on multiple social sites was normal before the big "universal" networks. You'd join different forums on separate websites to be part of the communities that shared your interests. Whether that be a wide tech site like Slashdot or the forum for a single game or book series