But when you get to the office, this is what you'll be carrying in:
Yep. The whole thing collapses down into that. Pretty cool! It's called "Bikoff" and it was designed by Marcos Madia. Details on designboom.
Marcos is from Argentina, so for the US market, he may have to go back to the drawing board to get the wheels to spin in the other direction, but I am confident he will figure that part out.
(h/t: Maria Popova)