An updated Facebook "app" for the popular Apple mobile devices shows when friends are online and then gives the option of ringing them up by tapping an icon on the screen. The feature is right now limited to users in US and Canada only.
Calls are routed over the Internet using telecom service data plans or connections to Wi-Fi hotspots. Facebook introduced a version of the feature earlier this year in its messenger program.
Upgrades in the Facebook 5.5 app included a button designed to make it easier to "like" online content and post comments at the social network.
What's new in Facebook for iOS version 5.5
New button design makes it easy to like, comment and share posts in News Feed.
• Improved buttons to like, comment and share posts
• Share button to re-post stories from your News Feed now available in all languages
• Call friends for free right from Facebook (US and Canada) *
* Free calling uses your existing data plan.
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