Artist Ming Liang Lu creates intricate portraits out of paper of people on the L train platform in Union Square. Under his fast fingers, paper turns to caricature in a matter of minutes. The finished portraits go up on the wall of the subway, a makeshift gallery.
Hate stopping at the grocery store after work? Tesco created a virtual grocery in the subway where scanning QR codes puts items in your cart which are delivered once you get home. http://tinyurl.com/3g2q5xd