Rob Pegoraro's post | Latest updates on Sulia
Three reasons why Facebook's new free-calling feature doesn't seem all that.
The free calling that Facebook rolled out to iOS users yesterday (weirdly undocumented by Facebook; see the Verge's post instead: http://www.theverge.com/2013/1/16/3883538/facebook-launches-free-calling-in-messenger-for-iphone-us) doesn't strike me as ready to take over the world yet.
* You can only call other people running Messenger for iOS--which in my case, is only three or four of the people I've chatted with lately. One possible reason: Facebook chats often represent an unwanted intrusion.
* Nobody can call you from outside of Facebook--unlike Google Voice and Skype, which give you a real number reachable from other phones, VoIP or not.
* Unless you're on a mostly-data plan like T-Mobile's (great!) $30 prepaid deal, you probably already have more voice minutes than you'll ever use.