HP sells Snapfish photo sharing service; Security expert raises concerns about smart city sensors

Wireless tech news from across the web:

> Google and Facebook are pursuing drones and balloons to reach billions of people still without Web access, but the Internet's expansion is actually slowing. Article  (sub. req.)

> Hewlett-Packard is selling its Web-based photo sharing service Snapfish to digital imaging company District Photo. Article

> Sources tell VentureBeat there are plenty of reasons to be skeptical of of plans that Nokia may, in a way, get back into the smartphone business. Article

> Cesar Cerrudo, an Argentine security researcher and chief technology officer at IOActive Labs, is demonstrating serious security flaws in smart city traffic control sensors. Article (sub. req.)

> Android Wear is gets an update, from Wi-Fi support to hand gestures and hand-drawn emoji. Article

> DragonWave signed a Master Purchase Agreement for Technical Products and Related Services with an unnamed tier one North American carrier. Release

> These three Silicon Valley moments straight from the headlines. Article

And finally… Just what is 802.11ac Wi-Fi, and how much faster is it than 802.11n? Article

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