W. Powell Co. in New York, lists a "dirty dozen" of pieces of information -- such as job openings and customer references -- that companies look for at their competitors' Web sites.

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Bob Brody is a senior media specialist at Powell Tate and an essayist and blogger in New York City.

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Rep. Adam Clayton Powell Jr. (D-NY), who represented New York City's Harlem, was the catalyst behind the 1956 Gillespie tour.

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Powell headed the Abyssinian church, the oldest black Baptist Church in New York from 1908 to 1937, and presided over its move from lower Manhattan to Harlem in the 1920s, where it grew to be a one of the largest congregations in the country with more than 7, 000 members.

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