Nice job, Lauren, of giving us a broad sampling of what was on display. Going fast is the most fun, but I am also fascinated by the use of materials and other cool gadgets that are increasingly being put into the cars that us "normal" folks might actually be able to afford.
I like the electric taxi, although I do wonder how an all-electric taxi will do, given the range and recharge limitations. The Prius is one of the all-time great taxis, largely because it lasts 300,000 miles and gets more than 40 mpg, so the hybrid technology more than pays for itself.
The Beam Store from Suitable Technologies is managed by remote workers from places as diverse as New York and Sydney, Australia. Employees attend to store visitors through Beam Smart Presence Systems (SPSs) from the company. The systems combine mobility and video conferencing and allow people to communicate directly from a remote location via a screen as well as move around as if they are actually in the room.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.