Quick ways to go Mobile
MobileActive has a great entry on a handful of low cost, low-barrier ways to go mobile, from Twitter to desktop "guerilla" SMS campaigns (best run in developing nations with more lenient SMS rules). Having taken down Jamaica's email->SMS gateway (...a few times...) with a homebrew system for Peace Corps Volunteers to share activity and security tips, it's great to see some better programmed and managed systems (finally!).