News@5: Twitter, Microsoft and the iPhone

Twitter has announced it has found and fixed a bug that allowed users to force others into following them an spammers to tweet to other users without prior permission.

Twitter has announced the release of a set of business tools for corporate users. The tools are currently being tested by selected users but will be available to all in the near future.

Microsoft will challenge Google's dominance of the web apps domain with the release of its Microsoft Office 2010 productivity suite.

Matousec.com have discovered a serious flaw in Windows' security software that leaves it vulnerable to an 'argument-switch-attack'.

UK-based charity DePaul and advertising firm Publicis have released the iHobo application for the iPhone, allowing users to download a homeless person onto their iPhone.