R. representatives from Sprint and Samsung stopped by the Washington bureau of the Wall Street Journal to meet with the columnist Walter S. Mossberg.

NEWYORKER: Critical Mass

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

In Mossberg's review, he said the new tablet's display is visibly crisper than the iPad 2's.

CNN: Doug Gross,