Nice piece in latest Technology Review comparing Facebook to Diaspora, the new minimalist, Dunbarian social network.
Facebook is like a casino: garish, crowded, distracting, designed to lure you in and keep you there far longer than you ever intended. (The same is true of its predecessor, MySpace.) Status updates—not only by actual friends and acquaintances but also from companies, news outlets, celebrities, sports teams—jockey for space with videos, ads, games, chat windows, event calendars, and come-ons to find more people, make more connections, share more data.