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

January 15     FOLLOW US      NEWS SPORTS LIFE MONEY TECH TRAVEL OPINION WEATHER USATODAY.COM   TECH   TECH   Best Buy holiday sales rise but lowers outlook     Big TVs, smartphones drive holiday sales lift for Best Buy; warns of weak 2015 demand.     Read Story

TECH           Tech Five: BlackBerry continues its plunge Smartphone maker dismissed report it was targeted for acquisition by Samsung.     TECH           BlackBerry shares jump, then dip, after Samsung buyout report Report claims Samsung approached BlackBerry about takeover deal.     COLUMNIST           Ask.FM cleans up its act Controversial app shifts course with new management.   Advertisement   TECH           Facebook exec: Diversify or lose relevance Williams has high-profile role trying to bring greater diversity to the social network.     COLUMNIST           Steve Ballmer talks diversity, Clippers Steve Ballmer addressed diversity at a conference run in New York by Rev. Jesse Jackson.     TECH           A blood test to help you stall old age InnerAge, a $99 service, uses blood to determine your body's age and suggest improvements.     GAMING           Nintendo launching new 3DS model Model supports additional controls, near-field communication.     CARS           Exec: Google won't become an automaker It offers reassurances to Detroit's automakers at a conference.     TECH           Zuckerberg takes a swipe at Google Glass Mark Zuckerberg defended his decision to speak out against the Paris attacks at a town hall Wednesday.     The Day In Pictures Gallery Joseph Gagnepain works on a snow sculpture in downtown Cleveland.     Popular Stories 'Birdman,' 'Budapest' lead Oscar nominations Oscar snubs some hopefuls Ohio man suspected in ISIL-inspired plot