Former Secretary of State Hillary Clinton sat for an hours-long, closed-door deposition in front of the House Oversight Committee, held near the Clintons’ home in Chappaqua, N.Y. She denied ever ...

Getting the most out of A/B and other controlled tests by Ron Kohavi and Stefan Thomke In 2012 a Microsoft employee working on Bing had an idea about changing the way the search engine displayed ad ...