cautious automatic updating of my address book from my Facebook, LinkedIn, Xing, … contacts

If I really have time enough one day (i.e. also the money to afford that time), I would love to use those APIs to collect phone numbers etc. from there and update my address book with these details. I would really like to have that. But I already see problems like this: some “friends” never… Continue reading cautious automatic updating of my address book from my Facebook, LinkedIn, Xing, … contacts