As Valleywag reported — oh, three weeks ago — Myspace is acquiring the photo sharing service most popular among its users. Photobucket is going to News Corporation's massively popular social network site for an undisclosed price, probably about $300m. Here's the official guff on the "perfect strategic fit" between the two companies. In this case, that's true: in so far as an effective parasite — Photobucket aimed its service at Myspace users who wanted to add more photos than the service allowed — always "fits" well with its host.