Facebook’s Zuckerberg to headline Mobile World Congress this year

Facebook(s fb) takes mobile very seriously — that’s where its growth lies — so it’s no surprise that Mark Zuckerberg has just been announced as headline keynote speaker on day one of next month’s Mobile World Congress. According to the GSMA, which runs the Barcelona shindig, Zuck will opine on “the importance of extending the benefits of ubiquitous internet access to the unconnected world.” Expect updates on the internet.org initiative and perhaps news on Facebook’s own efforts to extend its advertising humanitarian reach to the world’s needy.

4 ways mobile health could save $400B in health costs

A report from the GSMA and PricewaterhouseCoopers estimates that mobile health could save developed countries $400 billion in 2017. Here are four uses of mobile technology that could help make that happen.