AvantGo, the popular mobile internet service, is now available to Mac OS X users through The Missing Sync from Mark/Space. “Using this technology from Mark/Space, AvantGo subscribers can quickly and easily synchronize thousands of channels of news, sports, entertainment and more between a Mac OS X-based desktop and a number of popular handheld devices,” notes the announcement. The Missing Sync for Internet Sharing and AvantGo requires Mac OS X 10.2 or later.