There was no doubt about the top story with V3.co.uk readers this week, after Google ended months of speculation by formally announcing its Nexus One smartphone. There has been much interest in the Android-powered device, but whether it can challenge the dominance of the iPhone and BlackBerry remains to be seen. Watch this space.
Other popular stories were Apple's purchase of mobile advertising firm Quattro Wireless, the possibility that the EU is about to approve Oracle's acquisition of Sun Microsystems, and our 2009 round-ups of smartphones and Windows 7.
Android smartphone available now in US, UK and Asia
to order your Nexus One today from the UK
You'll need a Google Checkout account, but the process is relatively painless
significant is Google's Nexus?
Google's official unveiling of its own-brand phone has finally ended the speculation
snaps up Quattro Wireless
Acquisition of mobile advertising firm seen as counter to Google's AdMob deal
EU on verge of approving Oracle Sun deal?
Signs of an imminent decision by the European Commission
in review: The year in smartphones
We look back at some of the biggest smartphones of last year, including the HTC Hero, iPhone 3GS and Palm Pre
in review: Windows 7
We consider the success or otherwise of Microsoft's latest OS following its launch
shows surge of interest in Android handsets
Operating system leapfrogging the competition
New device could be the talk of CES
lets BlackBerry users give presentations
BlackBerry Presenter connects to a monitor or projector
Moon's dark side is mountainous, rugged and never visible from the Earth
The groundwater basins in some areas of Tehran have been damaged irreversibly
This is the first time that any spacecraft on Mars has recorded air vibrations on the planet
Arctic sea ice is thickening at a faster rate during winter, thus slowing down long-term decline: NASA
But, the seasonal ice growth could only delay the demise of the Arctic ice cap for a few more decades