The front wheel sandwiches in between the two rear tires of another unit. It even looks like the rider can sit back, using the handlebars of the bike behind him as a seat-back. I didn't think the Segway would do that well, so who knows.
Implications - Eco-friendly alternatives to transportation is a constantly growing enterprise due to modern societal recognition of the importance of sustainable and environmentally-friendly products. Providing consumers with green alternatives to everyday products is a great concept for businesses to venture into.