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Mobile Minutes: Data use doubles; Google?s bot challenge; Fitbit?s inaccuracies; VR hype

Americans more than double their mobile data use in a year
U.S. mobile customers more than doubled their data usage last year while carrier revenue inched up, according to the CTIA wireless industry trade group's annual survey released Monday.
Read more on CNET

Bots bring bigger challenge to Google?s ad model than phones did
The smartphone boom upended Google?s advertising profit engine and it took years for the Internet giant to adjust to the new mobile world. The next wave of computing will be an even bigger challenge.
Read more on Bloomberg

Study shows Fitbit trackers highly inaccurate
A class action lawsuit against Fitbit may have grown teeth following the release of a new study which claims the company's popular heart rate trackers are "highly inaccurate.?
Read more on CNBC

Why the virtual-reality hype is about to come crashing down
Makers of virtual-reality headsets think 2016 will be the year of VR. The experience ?is radically different than any computing experience you?ve had before,? says Marc Metis, a vice president at HTC Corp., maker of the Vive headset.
Read more on The Wall Street Journal