Online advertising may not be much more successful than an old double-barrel, but - like a good spray of buckshot - it makes up for its lack of accuracy with sheer volume. There are 10 unique ads listed with every Gmail message in your queue, each tied to the message content. And a paying sponsor.

When Steve Jobs toured Xerox PARC and saw computers running the first operating system that used Windows and a mouse, he assumed he was looking at a new way to work a personal computer. He brought the concept back to Cupertino and created the Mac, then Bill Gates followed suit, and the rest is history.

Our eyeball hours are scarce, indeed. That's why Google wants us to do as much as possible online, in range of their ads, and is willing to spend billions creating more reasons and ways for us to do so.

Douglas Rushkoff Quotes