TC Roundup: Twitter sues US Justice Dept for right to reveal surveillance requests

Twitter sues US Justice Dept for right to reveal surveillance requests: Twitter Inc sued the U.S. Department of Justice on Tuesday, intensifying its battle with federal agencies as the Internet industry's self-described champion of free speech seeks the right to reveal the extent of U.S. government surveillance.

The lawsuit, which Twitter said follows months of fruitless negotiations with the government, marks an escalation in the Internet industry's battle over government gag orders on the nature and number of requests for private user information (Reuters).

Microsoft to buy text analysis company equivio: Microsoft to Buy Text Analysis Company Equivio Deal For Israeli Startup Could Be Worth Around $200 Million according to a person familiar with the matter (The Wall Street Journal).

Uber shows new carpooling feature reduces traffic congestion 50% in pilot areas: One of the promises of the sharing economy is that we'll all be less wasteful and save ourselves money. This year, both Uber and Lyft introduced a feature that allows riders to share trips with other strangers in exchange for a deep discount (currently around 20 per cent)..

In select cities where Uber's version, UberPool, is available, Uber confirmed to Venturebeat that the service reduces traffic congestion by roughly 55 percent. This statistic jives with the estimate that a recent MIT study of what carpooling could do for the taxi industry (Venture Beat).