I recently lost my phone. Together with the phone book.
And backups, according to the law of meanness, was not.
But very many friends have VKontakte pages.
But it seemed to me not very fun - consistently open their pages and rewrite the phones manually.
While I was puzzled, how to automate the process, the site developers turned on the friends phonebook view.
All that remains to be done is to teach Firefox to pick up this phone book and save them to the required format for uploading to a mobile phone.
What I did, writing greasemonkey IzKontakta script.
It saves your friends' contacts in vCard format, which can be downloaded to your phone.
')
Now I'm in contact again.
Upd.
Possible expansion of the script functionality in the extension / add-on to Firefox.
suggestions are already
discussed in the comments