Does the iPad 2 offer anything new? Marketplace Tech Report's John Moe parses the reviews. Another tech manufacturer, Lenovo, has a prototype to watch your every move. Sound creepy? The laptop tracks where your eye is going on the screen and reacts accordingly. Finally, winners and tiger blood. Charlie Sheen is burning up the twitter-sphere. Since he registered @charliesheen Tuesday, he has gained 1.2 million Twitter followers.