RIM

Research in Motion on Thursday announced the departure of former CEO Jim Balsillie from the board of directors and the firing of several executives as it reported a huge Q4 loss.

Hewlett-Packard and Research in Motion are facing some inflection points that underscore the problems undermining each company's fundamental business.

RIM board member Roger Martin blasts critics of the Canadian company's management, those 'geniuses who have all these clever thoughts about business models.'

Despite trailing Android in mobile OS market share, Apple's iPhone generates huge profits and revenue.

New Research in Motion chief executive Thorsten Heins seems to have inherited his predecessors' penchant for delusion.

Mike Lazaridis and Jim Balsillie step aside as Research in Motion's co-CEOs, but it may be too late for the BlackBerry maker to reverse its declining fortunes.

The Consumer Electronics Show always generates a blizzard of hype, endlessly repetitive announcements of world-changing new products and a few real gems. This year's hype/news ratio is worse than usual, but it's not always obvious why, or what real innovations got buried.

A few ground rules, and a list of disclosures, from the Mobilize blog before 2012 rolls around.

While RIM's problems undoubtedly start at the top with its co-CEOs, they run much deeper, according to current and former employees who paint a picture of a complacent, bloated organization.

Shares of BlackBerry maker Research in Motion fell 2.6% on Wednesday as investors anticipated bad news even beyond RIM's warning early this month.

Research in Motion announces a new mobile device management platform that can handle Android and iOS devices, but it won't be available for at least three months.