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

February 20     FOLLOW US      NEWS SPORTS LIFE MONEY TECH TRAVEL OPINION WEATHER USATODAY.COM   TECH   COLUMNIST   7 great uses for an old phone or tablet     There are some very cool things you can do with an older mobile device.     Read Story

TECH           YouTube unveils new app for kids Simplified search options and streamlined family content may drive up younger viewership     COLUMNIST           Q&A: Should you buy or rent Internet gear? Also, how to spot scams on Facebook, other services.     CARS           A simple reason why Apple won't buy Tesla for $75B The price would come too high     CARS           Report: Apple may produce electric car by 2020 Panic in Detroit?: The tech giant could be in the car business sooner than expected     TECH           Tech Five: Intuit jumps off quarterly earnings Company says subscriptions of QuickBooks Online up 50%.     TECH           Yahoo's Mayer unveils mobile developer suite Yahoo CEO Marissa Mayer headlines the company's first-ever Mobile Developer Conference here on Thursday morning.     COLUMNIST           Apple's plan for world domination First it was phones and tablets. Now, it appears to be watches, cars and more.     TECH           Would you pay $10,000 for the Apple Watch? Apple's gold edition of the Apple Watch is expected to cost thousands of dollars.     TECH           Is Instagram worth $33 billion? Research firm Cowen thinks so and predicts Instagram will double number of users by 2020.     The Day In Pictures Gallery Russia-backed rebels pose by a road sign on Feb. 20, 2015, at the entrance in Debaltseve, Ukraine, after checking the access road into town for mines they suspected were laid down by retreating Ukrainian government troops. After weeks of relentless f     Popular Stories Nursing home quality scores drop in new federal ratings Obama team gives hashtag response to Giuliani Scotland Yard fears 3 missing London girls left to join ISIS