Research in Motion

Today in Tech: Research in Motion loses more top execs

Fortune's curated selection of tech stories from the last 24 hours. Sign up to get the round-up delivered to you each and every day.

* Research in Motion (RIMM) reported earnings for its fiscal fourth quarter, with a net loss of $125 million and 19% decline in revenue to $4.2 billion. Former co-CEO Jim Balsillie, chief technology officer David Yach, and chief operating officer Jim Rowan, are all leaving the company. Meanwhile new CEO Thorsten MORE

U.S. smartphones: Inching toward 1 million per week

Unless something changes fast, they're all going to be Androids and iPhones

ComScore issued its January snapshot of the U.S. mobile phone market Tuesday -- with accompanying pie chart here -- but if you want to understand what the numbers mean you should check out Horace Dediu's Wednesday morning report on Asymco.com.

Dediu seems to be the only analyst who tracks these monthly reports over time. Graphing two years of comScore data MORE

Look who's switching to iPhones and iPads

Roustabouts, weatherpeople and Air Force pilots 

As if to underscore Apple (AAPL) CFO Peter Oppenheimer's claim that "nearly all" Fortune 500 companies "approve and support" iPhones on their networks, three major purchase orders came to light this week:

Halliburton announced that over the next year the oil services company will be "transitioning" from Research in Motion's (RIMM) BlackBerry platform to "smartphone technology via the iPhone." A spokesperson told AppleInsider that about MORE

Android's original standard bearer -- HTC -- falls from grace

Squeezed by Apple and Samsung, it had a bad quarter and expects the next to be worse

There was a time when HTC and Android were practically synonymous.

The Taiwanese manufacturer built the first commercially available Android phone -- the HTC Dream -- in 2008, and two years later collaborated with Google (GOOG) to build the Nexus One, the flagship of the Android line. Last November, it edged past Samsung, Apple (AAPL) MORE

With 8.7% market share, Apple has 75% of cell phone profits

Between them, Samsung and Apple are sucking up 91% of the winnings

Asymco's Horace Dediu on Friday updated his quarterly review of mobile phone profits, and the news for everybody but Apple (AAPL) just gets worse.

As the iPhone's share of the market in terms of units shipped has grown from 3% in second quarter of 2010 to 8.7% last quarter, Apple's share of the profits has swelled from 39% to 75%.

Dediu's chart of MORE

Thorsten Heins: Not the right CEO for RIM

The troubled phone maker's new CEO has had a very bad introduction. Here's why he may not be right for RIM right now.

By Kevin Kelleher, contributor

FORTUNE -- If only they hadn't released that video.

The good news, the part that investors had been clamoring for, came first. Mike Lazaridis, who co-founded Research-in-Motion (RIMM) in 1984, and Jim Balsillie, who joined the company in 1992, were stepping down as co-CEOs and co-chairmen of MORE

Today in Tech: Research in Motion co-CEOs resign

Fortune's curated selection of tech stories from the weekend. Sign up to get the round-up delivered to you each and every day.

* Research in Motion (RIMM) co-CEO Jim Balsillie and Mike Lazaridis stepped down after two decades of running the company together. Taking their place: Thorsten Heins, who joined RIM in 2007 and had been serving was one of two chief operating officers, overseeing software, hardware and sales. In an interview, Heins believes MORE

Today in Tech: Why new PlayBook software won't help RIM

Fortune's curated selection of tech stories from the long weekend. Sign up to get the round-up delivered to you each and every day.

* Some analysts have previewed the software update for Research in Motion's PlayBook and aren't impressed. Worse, they believe the update will do little to turn the floundering tablet's sales around. (The New York Times)

* Like Netflix (NFLX), Hulu is upping the ante by offering original content like the show Battleground, MORE

ChangeWave survey finds 'explosive momentum' for Apple and Samsung

Interest in the Galaxy Nexus is high, but the iPhone still leads in customer satisfaction

The next few months should be very good for Apple (AAPL) and Samsung -- and not so good for HTC and Research in Motion (RIMM) -- according to the results of a survey of 4,000 North American early adopters posted Monday by ChangeWave Research.

More than half of the respondents who plan to buy a smartphone in MORE

Today in Tech: What happens to T-Mobile?

Fortune's curated selection of tech stories from the last 24 hours. Sign up to get the round-up delivered to you each and every day.

* Now that the AT&T (T) and T-Mobile merger is dunzo, the next step for T-Mobile, which is losing subscribers, remains unclear. "There's no Plan B," said a spokesman for Deutsche Telekom, the German telecommunications company that owns T-Mobile. "We're back at the starting point." (The New York Times)

* Oracle MORE