In a surprise move, Microsoft said Monday that it is buying LinkedIn for about $26.2 billion, a deal that could bring subtle but significant changes for the professional network's more than 430 million members.
LinkedIn said Wednesday that a 2012 breach resulted in more than 100 million of its users' passwords being compromised -- vastly more than previously thought.
A group of lawmakers say data-mining companies that collect and sell personal information about consumers should make their operations more transparent.