How many times have you clicked "Agree" to the thousands upon thousands of words in iTunes terms of service agreements after just a few seconds? Twenty times? Fifty? Man—that is some world class speed-reading.
Tumblr, preeminent internet fount of animated GIFs, fleeting memes, and copyright infringement, has one terrific thing going for it: the only human-friendly, genuinely funny terms of service we've ever encountered on the internet.