Zappos had a big day today. First it closed the Amazon deal and also featured its shoes with Oprah Winfrey at her show today. Today Oprah and Zappos.com tried to answer the question how many pairs of shoes women need to have.

Oprah Winfrey's show has become must-see TV, for all the great products she "endorses," like CJ Jeans by Cookie Johnson, and "Hello! Skinny Jeans." Today, it's all about a shoe discount, at www.oprah.com/payless.

A recently published study determined that women who make poor shoe choices early in life suffer with foot pain in later years. Research shows that men do not experience the same foot pain as women, due to type of shoes they wear. Details of this study appear in the October issue of Arthritis Care & Research, a journal published by Wiley-Blackwell on behalf of the American College of Rheumatology.

In tennis it is all about footwork. To have great footwork it helps to have great shoes. Want better footwork on your next match on the court? Well let's see what tennis shoes the US Open winner wears.

This afternoon the Premier Minister of China Wen Jiabao was thrown a shoe while addressing the audience at the University of Cambridge. The incident happened almost in the same manner as it was in Iraq when a reporter threw his shoes at then-President George W. Bush in December. However, the matter was handled in a more civil and calm way in London compared to the swift and near-violent way of handling in Iraq.

Sales of a particular brand of shoe, the Ducati Model 271, have risen since the now world-famous shoe-throwing incident, in which reporter Muntazer al-Zaidi, 29, of Al-Baghdadia television, gave U.S. President George W. Bush the ultimate insult in the Arab culture: a close look at the soles of two of his shoes.

Expensive trainers are not worth the money, finds a small study published ahead of print in the British Journal of Sports Medicine.

A Special Exhibition of Italian Shoes in Bryant Park