Online catalogs are most successful when they are copies of the print version, according to a panel of catalogers who spoke at the Annual Catalog Conference in Orlando yesterday, DM News reports. Consumers apparently appreciate that if they see a product in the print version on certain page, they can also find it on the same page in the online version. Forty-nine percent of print catalog shoppers use online catalogs, according to the eTailing Group of Chicago.Online catalog users on average view online catalogs for six minutes and 18 seconds, and about 33 pages. About 60 percent of online catalogers use email campaigns to promote their online books. Also, about 15 percent of marketers advertise their online catalogs in their print versions.