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RIM CEO Thorsten Heins today unveiled the long-awaited BlackBerry 10 operating system at its BlackBerry World conference. Thorsten Heins took the stage here to give his first keynote as CEO of Research in Motion.

Soaring sales of smartphones lifted Samsung Electronics's profit to a record and apparently pushed the South Korean company past Nokia as the world's biggest cellphone seller—and perhaps past Apple as No. 1 in smartphones.

The evidence continues to mount that the mobile phone business is evolving into a two-horse race. It’s Apple, Samsung, and a host of desperate hangers on. In the first quarter, according to Raymond James analyst Tavis McCourt, Apple accounted for about 80% of all profits in the mobile phone business, with Samsung accounting for the rest. The two companies combined, he figures, had 74% of mobile handset industry revenues.

Contract handset maker Foxconn International its loss in this year's first half to widen significantly from a year earlier as demand from major customers like Nokia weakened further in the period.

Standard & Poor's has cut its credit rating on Finnish cellphone maker Nokia to junk on expectations of lower sales, following a similar move by Fitch Ratings earlier this week.

When Verizon Wireless started selling the iPhone, AT&T sounded a defiant note, saying that its customers would remain loyal. A year later, it's clear that the Verizon iPhone has crimped AT&T's stride. Verizon had little problem attracting new customers before it started selling the iPhone. In fact, it was the only wireless carrier that managed to keep up with AT&T's iPhone-fueled growth.

While the company's new Lumia line of smartphones is gaining traction, those using the older Symbian operating system have lost their appeal.

About two weeks ago, something shocking happened. Apple’s OS X, which has long been thought of as nearly impervious to malware or viruses, was hit with a big, nasty piece of malicious software called Flashback.

Global Tel Link, which supplies state lockups with pay phones, will install technology to disable cellphones, which have been used by inmates to run criminal enterprises, intimidate witnesses and organize attacks on guards. A private company has agreed to pay millions to install technology in California prisons to block Web searches, text messages and phone calls by inmates using smuggled phones.

Moody's ratings agency downgraded Nokia's debt grade to near junk status on Monday, citing a sharp decline in first-quarter cellphone sales that led to a 35 percent fall in revenue.