Arden Hayes knows US presidents and geography probably better than you ever will and despite being really impressive, it's probably not the thing people will remember from this video, so be sure to watch it 'til the end.
As you can see here, they have since then cut the end of the video for advertising reasons obviously.
5 Parisians inhabit an apartment built by Swedish furniture company IKEA inside a Paris subway station for 6 days, from Jan. 9 to 14. The 581 square feet (54 square meters) apartment is located in Auber station and equipped with IKEA items. Now all Auber metro station passers-by can see the five housemates and their daily activities from morning to night through the glass walls.