If you missed out on MIT Enterprise Forum's recent startup DEMO event, here's an overview of the six pitches from companies in the automotive, medical device and Web arena.

A few of the presenting companies -- including LaserMotive and Mobisante -- have been in the news lately. Short descriptions of each of the six finalists below.

Mobisante: A provider of more affordable and accessible ultrasound imaging for healthcare professionals to practice better medicine and reduce costs.

LaserMotive: A developer of laser power beaming systems to transmit electricity without wires, for applications where wires are either cost-prohibitive or physically impractical.

Social Yantra: A smarter way for companies to monitor, analyze, and prioritize customer interactions on Facebook pages.

EverSpeech: A provider of speech technology consulting and solutions that enable applications with speech recognition and speech synthesis technologies.

Spiral Genetics: A provider of a rapid, reliable cloud-based analysis platform and patent-pending genome analysis methods.

Lipp Sync Automotive: The developer of Throttlebox, a way to add engine sounds to silent hybrid or all-electric engines, fostering safety on the road.