And there's been plenty of time for his curiosity to evolve: WALL-E has been alone on Earth for seven centuries, ever since the last humans left and neglected to switch him off.

WSJ: 'WALL-E' Is Richly Human Tale of a Robot

Now, after more than 10 months of waiting for e-books to evolve, "what's next" has arrived.

FORBES: Magazine Article

Now they constantly evolve to tempt users into opening infected e-mail attachments by referring to recent news and using other "social engineering" tactics.

FORBES: Magazine Article