Now, eight months after the voice-over-IP company was officially integrated into Microsoft, a critical mass of privacy activists are demanding answers.

FORBES: Letter From Forty-Four Digital Rights Groups Demands Skype Detail Its Surveillance Practices

We're about to get answers to that question from both Apple and Microsoft, in the form of major upgrades to the world's two most popular operating systems.

CNN: Review: Mac's Lion adventure continues

However, it was integrating Microsoft's Bing search engine for situations when graph search itself could not find answers.

BBC: Facebook unveils social search tools for users

For answers to questions about upgrading to Windows XP without buying a new computer, Microsoft's MP3 audio quality and running PC programs on an emulator, check out my Mossberg's Mailbox column in Tech Center.

WSJ: Apple Brings Flair To Its MP3 Player