Sony Ericsson denies breakup rumors; ABI says PTT will be in 8.5% of North America

> Sony Ericsson denied rumors that the joint venture between Japan's Sony and Sweden's Ericsson was going to break up. Article

> Push-to-talk features will find its way into 8.5 percent of the North American market by the end of 2013, but in no other region will it even begin to approach that market share, according to ABI Research. Release

> The Palm Pre will have data tethering, and act as a USB modem, something Apple's iPhone 3G cannot do, at least not officially. Article

> Sierra Wireless introduced what it calls the world's first mobile broadband USB modems for HSPA+ networks to achieve speeds three times faster than HSPA. Article

> Around 80 percent of mobile broadband services will be delivered by HSPA and LTE technologies by 2012, said Ericsson's CTO, Hakan Eriksson. Article

> Aruba Networks said the U.S. Patent & Trademark Office issued a preliminary report that rejects all claims of one of the patents Motorola made against Aruba in 2007. Article

> A study by Analysys Mason said there will be 148 million mobile broadband connections in Europe by 2014. Article

And finally... A commercial U.S. satellite was destroyed in a collision with a now-defunct Russian military satellite. NASA said was the first such accident to happen in orbit. Article