Verizon, Duke use LTE for energy efficiency; Microsoft's WP7 update troubles continue

Quick news from across the Web

@FierceWireless: RT @engadgetmobile: AT&T to offer mobile hotspot on iPhone 4 starting March 11th, requires usual $45 data plan.  Article | Follow @FierceWireless

> Verizon Wireless and Duke Energy announced a teaming for a building-efficiency program using LTE. Article

> Layar announced an augmented reality browser for Symbian. Release

> Microsoft is reportedly planning Windows tablets for next year. Article

> Nokia Siemens Networks announced the successful test of a push-to-talk call over LTE. Article

> Microsoft's Windows Phone 7 update continues to run into problems. Article

Mobile Content News

> A job board shows more openings for Android developers than iOS developers. Article

> Apple is reportedly in talks with four major record labels to give iTunes users expanded access to their digital music across multiple devices. Article

> Motorola Mobility has made an unspecified equity investment in Moblyng. Article

> Microsoft unveiled Bing deals, promising consumers access to over 200,000 offers spanning 14,000 U.S. locales. Article

And finally... Let the iPad 2 jokes begin. Video