| user: | yzmtf2008 |
| created: | November 9, 2013 |
| karma: | 1.1k |
| about: | yzmtf2008.at.hn; @andyfangdz https://www.linkedin.com/in/dezhifang/ andy [plus] hn [at] andyfang [dot] me [ my public key: https://keybase.io/andyfang; my proof: https://keybase.io/andyfang/sigs/UctBiRHXXgHdwFYqwai_DH0B6X_QPXBHqyVYRwrA9yQ ] |
| 1. | |
| 2. | Pneumatic tube mail in New York City(en.wikipedia.org) |