Demo Fall 2012 is underway with more than 75 new ideas being pitched in six-minute presentations by startups at the annual event in Silicon Valley.

Hardware, software and services are being featured covering the social, entertainment, media, commerce, communications, big data, infrastructure, health and education sectors. A sample of the most impressive demonstrations – from a tabloid social-network app to an Instagram for video – is after the jump. Read more

What kind of West Coast innovation show worth its salt would miss the opportunity to unveil a new electric-powered skateboard?

Certainly not Demo Spring 2012 in Silicon Valley. No less than three new commuter skateboards were launched for street surfer dudes on Thursday, along with products from 80 other companies over two days, during six-minute presentations. Some top picks after the jump. Read more