Hacktivists, businesses and law enforcement agencies all now face security uncertainties
The last time Microsoft made such a major overhaul of Windows, the result was Vista
We need to wake up to the fact that the next frontier of corporate espionage could be social networking
Potential long-term benefits of experiments justify time and expense of projects
Are firms right to enforce strict rules on what staff can and can't tweet?
Industry learns new Facebook facts
Apple's Jobs was wrong to dismiss firm as "slow"
Troubled BlackBerry maker should stop trying to serve both consumer and enterprise customers
China is the new frontier for technology innovation
Peer-led groups are the way to encourage a new generation of UK tech whizz kids, says Madeline Bennett
Thomspon has about as much chance at turning Yahoo around as his predecessor did, says Rosalie Marshall
LTE will save us, won't it?
Advertising basis for huge valuation fails to appreciate subtleties of human interaction
Smartphone makers face critical times as consumers take to the stores
The net neutrality debate is international, but policy should be drawn up at state level, argues Rosalie Marshall
Jobs' contribution to technology has been to make it more usable and accessible
Many observers suggest that Bartz was never suited to leading Yahoo out of the doldrums
Co-founder's second stint with the company brought an obsession with elegance and the user experience
Historian William Pickett on how the web has changed the world as it reaches 20-year milestone
Business as usual in international diplomacy
Hackers stir up discussions over justice and ethics on the web
Say hello to new media, Rupert
If Microsoft can decouple Windows from the x86 platform, the PC's relevance will wane
Alarmist reports about cloud security do not stand up to scrutiny, says Dr Graham Oakes