Today's sweetest tweets: CNET's Caroline McCarthy got ready to don a Snuggie. Valleywag alumna Megan McCarthy (no relation) dreamed of Atlantis. David Gregory of Meet the Press succumbed to Twitter peer pressure. And more!

Late Night with Jimmy Fallon producer Gavin Purcell hopelessly shopped for shoes.

CNET News reporter Caroline McCarthy stayed focused on the big, important story of the day.

Slate writer John Dickerson exhibited profound laziness.

Meet the Press host David Gregory fell victim to Twidiocy.

Techmeme editrix Megan McCarthy made a joke about Google's nondiscovery of Atlantis.

Anyone else's tweets we should keep an eye on? Send us more Twitter usernames, please.