There are wildly differing viewpoints on whether or not the tablet is on its way out, as you might guess. One perspective is that of the smartphone taking over what the tablet does; which is basically content consumption and creation, albeit the latter on a more limited scale than, say, a standard desktop or convertible Ultrabook.

By using Google Trends, which tracks the frequency particular search terms are entered into Google over time, scientists have found seasonal patterns, for example, in searches for information about mental illnesses and detected a link between searching behavior and a country’s GDP.

It's good to be king, especially when Samsung knows that it reached the top position after some early missteps. Now comes the hard part -- staying on top. If the Galaxy S III was Samsung's crowning achievement, the Galaxy S 4 is the first defense of the throne.

Arriving on the heels of one rival's flagship and a few months before the expected unveiling of another's, the Galaxy S 4 will prove whether Samsung is continuing its trend of advancement or becoming just as predictable as the old guard that it mocked. So naturally we must ask: just how good is the Samsung Galaxy S 4?

Simulating the physics of water has always been tricky and game engines sometimes still have to use dodgy mechanics to make it feel real. But the above demonstration of this new fluid simulation technique proves that slowly but surely we're getting there.