It’s easy to forget how fragile the internet’s memory is, but last month, members of the Something Awful forums got a rude reminder. Ubiquitous image host Imgur announced it would be deleting nudity and pornography starting in mid-May and, along with it, “old, unused, and inactive content” not linked to an account. The wording was so vague nobody knew exactly what that meant. But the worst-case scenario was obvious: an unceremonious purge of images from one of the longest-running…