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Definitely a fair question; you could add email addresses from iPhone contacts, but then we'd have to deal with things like -name fragmenting (e.g. in my phone, I have 'Dad', you have 'tommy', and someone else has 'tom from bowling'). Facebook provides a consistent ID matched with an email, a first name, and a last name. -number fragmenting (one person has my work phone, one person has my cell, one person has my home -- we don't want these to be three separate accounts) -usually, no pictures for any users (and again, fragmentation of pictures in rare instances when you do have a picture for a user). Facebook is an easy way to quickly get first and last name, photo, and social graph -- there are certainly some limitations, but to make the experience as seamless as we could for the user, we thought building it on Facebook Connect initially made the most sense. That said, there are people who would rather just have a new account on chronos, so we're exploring the possibility of allowing people to create one with an email and pw. |