Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design.
Facebook Connect is a powerful set of APIs for developers that lets users bring their identity and connections everywhere. You can incorporate Facebook Connect into your websites, iPhone apps, and desktop and mobile applications.
The Semantic Web brings to the Web the idea of having data defined and linked in a way that it can be used for more effective discovery, automation, integration, and reuse across various applications.
PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML
PHP is one of the most dominant scripting languages in use on the internet today.
Google Maps API
iPhone Webapps - distribute to everyone without having to go through any approval process. Offline capable so users don't need to have an internet connection in order to use applications.
Web Runtime Widgets - a browser based engine that allows for the creation of mobile applications using existing Internet technologies. A number of extensions exist which allow for use of location information, the camera, motion sensors, sms and make calls.