Webroot Mobile Security for Android was launched on April 5, 2011 for smartphones and tablets and comes in a free basic version and a paid premium version. The app is designed to protect against viruses from apps, threats delivered via web browsing and against the threats created when mobile devices are lost.
The Cadillac XLR-V, was a high-performance (443 HP) version of the XLR. Cadillac gave the public its first glimpse of the supercharged XLR-V in its Super Bowl commercial, which aired February 6, 2005.
Acceleration and Power. The base 2015 Silverado 1500 comes standard with a 4.3-liter V6 that produces 285 horsepower and 305 pound-feet of torque. Optional engines include a 5.3-liter V8 that makes 355 horsepower and 383 pound-feet of torque or a 6.2-liter V8 that produces 420 horsepower and 460 pound-feet of torque.