>It's an accident waiting to happen. It'll be a shitstorm when a large set of address books gets leaked to the internet (à la AnonOps, etc.). (Though it would

>It's an accident waiting to happen. It'll be a shitstorm when a large set of address books gets leaked to the internet (à la AnonOps, etc.). (Though it would be a lot of fun to run some graph-theoretic metrics on the dataset (closeness, centrality, etc.). I've often lusted over getting an anonymized version of the Facebook graph (32-bit ID for each person, assume average of 100 friends, 700 million users, gives a total size of about 300 GB uncompressed), but a leak of a couple million address books now seems not far-fetched.)