I recently finished a course module on starting up an eBusiness. Our idea was "eHunger", basically taking a bunch of normal takeaways and putting them all online and lots of other fuzziness. We had all the tech buzz words down to: J2ME (Phone App), EJBS, MVC, XML, SOAP Web Service, MySQL, PDF Creation, Java, XHTML...
Here's a picture from our trade fair of us! (I'm the guy on the left)