Sony introduced the Xperia Tablet Z on Monday, touting its thin form factor and powerful components at the Mobile World Congress in Barcelona. Sony has been in the tablet market since 2011, when it introduced the Android-powered Tablet S, but the company now seems to be making a more serious play. The 10.1-inch Xperia Tablet Z, which features a sleek design and a water-resistant case, is the world’s thinnest tablet, according to Sony, at just 6.9mm. It weighs 1.1 lbs. 
