Porn, AIDS and data

Couple of interesting articles. Lessig in Wired thinks compulsory metatags might protect kids from porn and protect free speech from arbitrary censorship (haven’t I heard something like this before?). Richard Horton‘s fascinating and gloomy survey of the slow effort to develop an AIDS vaccine from the NYRB. Dave Birch, in The Guardian, wonders what happens to our data when we die (to whom do you leave your PGP keychain?).