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1.
1. A collection of plays for each particular team. The term is most common in the game American Football. The playbook is usually very long and some plays very complex. Each player must memorize every play that he might ever be told to execute. May also be used in basketball, hockey, soccer, or any other large team sport.
2. The book filled with activation codes and locations for each nuclear warhead in the country. It is stored in a briefcase called the football.
1. The Redskins' playbook is usually long and complex, with one or two trick plays included.

2. The President flipped through the playbook to see which warhead should be launched if necessary.
by Trem April 01, 2007
 
2.
The BlackBerry PlayBook is a tablet computer made by Research In Motion.
It supports up to 1080p video playback. PlayBook Features a 3 MP front-facing camera for video chatting over Wi-Fi and a rear-facing 5 MP camera, both of which can record 1080p video. The PlayBook has a 1024×600 WSVGA, 7-inch display and 3D graphics acceleration. It features a variety of sensors, including an InvenSense 6-axis gyroscope, magnetometer, and accelerometer. The PlayBook uses the dual-core Texas Instruments OMAP4430 processor. The BlackBerry PlayBook supports high resolution video playback (H.264, MPEG4, WMV), and audio (MP3, AAC 5.1, WMA 5.1 audio playback) formats. It also has a micro-HDMI port for HDMI video output. Among the PlayBook, Apple iPad, and Xoom from Motorola, the PlayBook comes in lightest at 0.9 pounds (0.41 kg), compared to 1.33 pounds (0.60 kg) and 1.59 pounds (0.72 kg), respectively.
"Whoa, you run a 1080p flash video on YouTube and play Asphalt 6 at the same time without any lags, why can't my iPad do that?"
"Because that's not an iPad, it's BlackBerry PlayBook - the first professional grade tablet."
by F4r0kh July 05, 2012