Open source mobile messaging vendor Funambol plans to add micro-banner ads to its online portal myFUNAMBOL. Calling the ads prominent yet non-intrusive, Funambol representatives say the new advertisements will display in several areas of the email client, including the inbox and message viewing screens. Company CEO Fabrizio Capobianco, says the move will unleash a major revenue opportunity for service providers, portals and mobile operators. What's in it for myFUNAMBOL customers? Plenty.