xuejie Karma 241 Created 11 years ago About [ my public key: https://keybase.io/xxuejie; my proof: https://keybase.io/xxuejie/sigs/L7TLnkrpA4dVK2dKTgkNuds6srmai5TlK8q5FQYdpAA ] All submissions on HN · View profile on HN