“me against the world” reads the wordage, written in relatively polite script, at the top of  a picture of Tupac Shakur, he with a bandana wrapped around his head and flashing both middle finders at the camera, on a t-shirt worn by a young man sitting a table near me at a Starbucks in Zhongguancun, him otherwise bedecked with a huge headset, glasses, baseball hat, red shorts, and blue shoes, with an empty frappuccino container on the table as he talks with someone on his cellphone.