It seemed to me from the get-go, he wanted to find that this was not a taxonomically valid subspecies.

It contradicts it fairly strongly.

When I looked at the Ramey study, I had lots of criticisms. When I look at the King study, my sense is, 'I wish I had done that work.' It's nicely done.

Behind search advertising's great success is self-targeting — users revealing their interests by the keywords they enter. As with search, self-targeting rather than media manipulation is the key to engagement marketing or behavioral advertising.

In fact, in 2009 or 2010, I think Yahoo is the stronger company. I think the general media consumption favors them.

The spending growth is impressive, but shouldn't come as too great a surprise. These dazzling increases are possible in part because growth came from such a small base. And in the last few years the Internet has truly become a mainstream medium.