Who's who, what's what in tech today

January 28     FOLLOW US      NEWS SPORTS LIFE MONEY TECH TRAVEL OPINION WEATHER USATODAY.COM   TECH   TECH   Amazon Echo: A promising but not fully mature voice     Echo can play music, answers questions and has good voice recognition. But it has limits.     Read Story

TECH           Tech Five: Apple, Yahoo shares surging Apple climbing after reporting sales of 74.5 million iPhones in third quarter.     TECH           Apple ascendant: 74.5M iPhones sold last quarter Record iPhone sales -- 74.5million -- send Apple shares in orbit, up 5%. Apple Watch to ship in April.     NEWS           Twitter threats are rerouting planes All threats are evaluated, although real bombers don't announce their intentions.   Advertisement   TECH           Family has high-tech solution to 'deflategate' A Washington family patents portable ball inflator that could have prevented 'deflategate.'     TECH           Yahoo to spin off Alibaba Yahoo shares jump after company says it will spin off $40 billion stake in Alibaba into a new company.     TECH           Google Fiber coming to southeastern USA Tech giant bringing fast Internet to Atlanta, Charlotte, Nashville and Raleigh-Durham, N.C.     TECH           Twitter debuts video, group messaging New features are designed to boost usage and reassure investors about growth prospects.     TECH           Laughing gas making a comeback in birthing Nitrous oxide, used by many other developed countries, cheaper than epidural.     TECH           Yahoo's Mayer buys more time Profits from Yahoo's piece of the fast-growing Internet giant from China have been by far the biggest contributor to Yahoo's bottom line.     The Day In Pictures Gallery People dressed in traditional costumes parade with torches around a replica Viking sailing ship during the Up Helly Aa Viking festival on Jan. 27 in Lerwick, Shetland Isles, Britain. Originating in the 1880s, the tradition celebrates the island's No     Popular Stories Jordan is ready to trade inmate for pilot held by ISIL Israel: 2 soldiers dead in Hezbollah attack Apple rich enough to pay everyone $556