THE WARNING SIGNS BEFORE MICROSOFT, D.O.J. FEUD

Every day, people around the world spend more than two billion minutes on the Internet service Skype to call friends, set up conference sessions, or connect with family. Launched in 2003 in Estonia, Skype was such a phenomenal success than eight years later Microsoft bought the company for $8 billon. These days, though, Skype is part of an increasingly crowded field of online communications services, and some tech and privacy experts are recommending that consumers shun Skype in favor of alternatives they believe are more secure. “The level of secrecy that Skype’s developers have kept up about its design and security hasn’t...