Kathy With a K, with "Heart Songs" on KSSK
See all their NY CITY SUBWAY SELFIES here
Boy meets girl. Fall in love. Decide to document their New York City adventures one day via the popular selfie or taking-a-picture-of-one's-self-using-smart-device :)
Read the GOTHAMIST.COM article and find out how long it took to take 130 images!