IBM changed the world 25 years ago when it launched the first personal computer - the IBM 5150.
It took computing out of the IT department and onto every desktop.
As we celebrate its 25th anniversary, catch up with news, opinion and analysis on what to expect next.
Vote for your IT greats
Who have been the most influential people in IT in the past 40 years? The greatest organisations? The best hardware and software technologies? As part of Computer Weekly’s 40th anniversary celebrations, we are asking our readers who and what has really made a difference?
Vote now at: www.computerweekly.com/ITgreats
This was first published in August 2006