Yep, I have one, but I never wear a bow tie and tails to ride it! There is a folding bike weekend in Philadelphia every year that I've checked out in past years.
I've had other folding bikes - there's a company in Eugene that makes several models of what they call Bike Fridays. I had one of those for a while and its trying to be more of a proper bicycle that will fold up if you insist. Whereas the Brompton is more of a bit of metal origami that turns into a passable bicycle once unfolded. Its more of a folder and Bike Fridays are more bicycle-ish, but they're both pretty brilliant. But I never liked the Bike Friday as a proper bike as much as my traditional larger wheeled bikes and I love the Brompton almost more for the brilliant gadget it is than as a bicycle. But I don't ride it long distances (like I used to do with the Bike Friday) - just a few miles here and there around town or in Philly. And its perfect for that because it folds and unfolds in seconds and you can carry it into a restaurant, onto a train, etc. Shortly after I got it, I rode up to the commuter train literally as it had pulled in and stopped and I was still able to get off and have it folded in plenty of time to hop onto the train without holding things up. Its a brilliant little piece of engineering and design. I have a Brooks leather saddle on mine and I have the flat bars which are a bit lower than those standard up-sweeping bars you see in the video (there are a few flat bars in that too).
The Brompton is almost like my X100 - a slightly quirky piece of gear that I don't use as much as other bikes/cameras, but I'll probably never get rid of because they're just so bleeping unique and utterly cool.
Here it is in its three states of folded-ness, the second one is essentially its "kickstand" position - you just flip the rear wheel under and it stand on its own...
And one of the Bike Friday with its humble owner in the summer of 2001 on a bike tour in Wales. This one took about a half hour or more to really fold up and get into its suitcase for travel. Currently I have one of my full size bikes that has couplers that allow the frame to come apart and fit into a
just barely legal size suitcase for travel. That takes more like an hour. The Brompton takes about 15 seconds...
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-Ray