Users Find Microsoft’s New Chatbot Technology Unreliable.

Users Find Microsoft’s New Chatbot Technology Unreliable.

Microsoft’s investment in the technology has been a boon for the company’s stock, even as early users find the A.I.-powered system erratic.
Tesla’s Self-Driving Technology Comes Under Justice Dept. Scrutiny

Tesla’s Self-Driving Technology Comes Under Justice Dept. Scrutiny

A regulatory filing says officials have asked about software that Elon Musk, the chief executive, has said would allow cars to operate autonomously.
Ticketmaster Cast as a Powerful ‘Monopoly’ at Senate Hearing

Ticketmaster Cast as a Powerful ‘Monopoly’ at Senate Hearing

The Judiciary Committee, responding to the bungled sale of Taylor Swift concert tickets, heard the company apologize and its critics trace the problem to the industry’s lack of competition.