A friend of a friend calls his addiction to sites like these “avenues for procrastination,” but I think there’s something else involved. Like other forms of pastiche — the mix tape, the playlist, the mash-up — these sites force you to engage and derive meaning or at least significance or at the very least pleasure from a random grouping of pictures. Why not dive into an alternative world full of beauty and novelty and emotion and the hard-to-put-your-finger-on feeling that there’s something more, somewhere, where you’re not chained to your laptop, half dead from monotony, frustration and boredom