Seth Godin's "Flipping the Funnel" eBook

Seth Godin had a post today that featured his new eBook, Flipping the Funnel. This 18 page book attempts to explain how Seth believes some of the new Web 2.0 tools (flickr, de.licio.us, squidoo and others) combine with some of the concepts he has written about before, including ideaviruses and the Purple Cow.

While I think that Seth's focus is, as it has been recently, too much on technology, his concepts are (as usual) spot on. He writes in this new eBook that firms must:

"Turn strangers into friends.
Turn friends into customers.
And then... do the most important job:
Turn your customers into salespeople."