Because a)that doesn't get rid of the need for address books - even with email I still need an address book to tell me which John Smith I want to email, and b

Because a)that doesn't get rid of the need for address books - even with email I still need an address book to tell me which John Smith I want to email, and b) that's got absolutely nothing to do with the Path issue - them uploading my address book with a single phone number/phone DNS whatever for my contacts without my permission is just as bad as them uploading my address book with 5 different phone numbers for each of my contacts