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.
The Sierra 1500 Crew Cab Denali's power-to-weight ratio is more than 40% better, providing a sportier ride, 12.9 lb/hp vs 23.0 lb/hp. More than 2.5x more powerful, 403 HP @ 5,700 RPM vs 159 HP @ 5,200 RPM. The Sierra 1500 Crew Cab Denali has 2 more gears, which can improve performance, 6 vs 4.