from the web site:

AvantGo is the leading provider of enterprise-class mobile solutions for businesses and individuals. Our award-winning mobile solutions, listed below, deliver interactive, any time, anywhere application and information access. Our unique Dynamic Mobility Model ensures that mobile enterprises continue to conduct business, even when a persistent wireless connection is unavailable or interrupted.

about their mobile internet service:

The AvantGo Mobile Internet service provides free interactive and personalized content and applications to your handheld device or Internet-enabled mobile phone real-time via wireless connection or desktop synchronization.

-- MikeBarton - 07 Aug 2001