• Windows Phone 7 from an iPhone user's perspective: Most early adopters of Windows Phone 7 come from using other smartphone OS. One iPhone user shares their impressions.
• Shuttleworth: Unity shell will be default desktop in Ubuntu 11.04: At the Ubuntu Developer Summit, Ubuntu founder Mark Shuttleworth announced that the new Unity environment will be the default desktop shell in Ubuntu 11.04 for both desktop and netbook versions.
• Porn pros hope to squelch online piracy by 2012: At a Tucson retreat, pornographers and lawyers discussed ways to make people pay for porn and get "tube" sites and torrent operators to go legit in over a year.
• $799 HP Slate aimed squarely at businesses: After months of waiting, the HP Slate 500 is available. It is a business machine rather than a consumer-friendly device like the one shown at CES.
• Self-appointed guardians of TV decency fall on hard times: The Parents Television Council seems to be in serious decline.
• Myspace concedes to Facebook, changes focus: Myspace is changing its focus to capitalize on its strengths and shed the old idea of competing with Facebook. The new beta site will keep teens updated on their favorite things.
• Expedia, Travelocity say Google has crossed the "creepy line": Travel websites oppose Google's proposed buyout of ITA as its technology powers many in the industry.
• Ashes to ashes, Devo to dust: RIP Sony Walkman: As Sony stops selling the Walkman cassette player, an Ars staff member looks back at the start of their remix culture.
• It is possible to kill the evercookie: For most browsers, it is possible to get rid of the evercookie that hides copies in persistent storage. But mobile operating system protections make it harder to defeat.
• Whistleblower: Parents Television Council is "beyond repair": The ex-Parents Television Council vice president who leaked to The New York Times provides more details about the "grotesque fundraising practices" he witnessed.