Say you’re a fiction writer and you’d like to allude to the communications technologies of the present moment. There are plenty of ways you can do this, from coming up with your own lightly-altered versions of real-world services to embracing an accurate picture of your smartphone’s suite of apps circa the moment you’re putting words on paper. The difficulty with the latter, though, is that the ups and downs of the tech world don’t always match up with the time it takes to get a book published; the way that Vine went from buzzed-about to deprecated in a relatively short period of time illustrates just how difficult of a juggling act this can be.