I've been involved in online technologies for over a decade. Search - established Local.com, a local products and services search engine that attracted 4.4MM users within 3 months.
Email - established large multilingual email service, hosting over 6MM mailboxes worldwide. Advertising - search engine marketing engine (ePitot/Interchange), which IPO'd in 2004.
Current - RelevantAds, a technology service provider that brings local businesses online. RelevantYellow allows brick-and-mortars to control search traffic within their local service area.