Move follows Galaxy S5 with fingerprint reader
Sony is on a quest to duplicate earlier successes like its storied Walkman, but its Xperia smartphones could face troubles cracking a crowded market.
Mobile data traffic is expected to grow by 61 percent annually into 2018, and wearables will increasingly play a role, Cisco researchers estimate.
Smartphones priced at less than $150 helped fuel record year, analysts at IDC say.
Half of all interactions with apps will come from wearables by 2017, Gartner says.
R'Pin and chip' smartcards may be next, not NFC smartphones, but liability questions remain.
Smartwatch developers must focus on cutting prices, adding more apps, and improving the look in order to attract broad consumer interest.
Microsoft's promotion of Windows Phone has recently seen success in the U.S. and Europe amid continued problems in China.
Short-distance wireless groups supporting NFC and Bluetooth have agreed to jointly create greater interoperability between the complementary technologies.
Such a tattoo could include an embedded microphone as well as a transceiver for enabling wireless communications with a nearby smartphone.
Researchers have found a new way to tune the radio frequency in smartphones and other wireless devices that promises to reduce costs and improve performance of semiconductors used in defense, satellite, and commercial communications.
Smartphone shipments grew by 9% in the third quarter, a record for a single quarter, which continues a record-setting trend, research firm IDC said.
Tablets shipments will soar ahead by 53 percent in 2013 as desktop and laptop shipments decline by 11 percent, research firm Gartner forecast.
Up to one million free Jamba Juice smoothies will go to Isis mobile wallet smartphone users later this year, when Isis takes its NFC-ready technology to the national stage.
Revenue from mobile ads and searches more than doubled in the first half of 2013, reaching $3 billion, as advertisers began seeing value in offering ads over tablets and smartphones.
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