A Verb for Shoe is demoed at the Wired Nextfest 2005. QuenteCafe has a live shot of the intelligent shoe.
The intelligent Adidas One was shown at last years Nextfest and is on the market now.
The Verb for Shoe is supposed to have more features. It tracks all movement and transmits via Wi-Fi to a computer for analyzing the data. Apparently it also is supposed to be able to exchange phone numbers between wearers of the Verb for Shoe.
More details on The Verb For Shoe flash site. Even if the company showed a real shoe at the Nextfest, it is not clear how far away they are from bringing their product to the market.