Is the Uber you just hailed trying to evade the police? It appears that Uber was using a tool called Greyball to elude law enforcement investigations and irate intrenched competition like traditional taxi companies.

Greyball utilizes data collected from Uber’s app in order to root out and circumvent law enforcement officials. The tool is

Source: Hot Hardware – Uber Used Secretive Greyball Program To Evade Law Enforcement Sting Operations