links for 2007-05-23 Silicon Valley Could Use A Downturn Right About Now Arrington is grumpy again (tags: web2.0) www.myspace.com/moonbabies Check this out if you like good, solid male/female pop harmonies. (tags: music) Pandora Goes Mobile, and Sonos, and More Pandora + Sonos = a great combination. I’ve been waiting for this. (tags: pandora sonos digitalmusic) NPR : What Are You Doing? Twitter Offers a Megaphone Twitter on All Things Considered (tags: twitter)