Catalog Spree, a leading catalog shopping app, says mobile e-commerce has really taken off over the past eight months, with the iPad accounting for about half of the traffic. According to stats culled from its user data, more than half of iPad shoppers are women; 62% female and 38% male. The average age of the mobile shopper is 25-54. Among their other findings, shoppers seem to be doing their online browsing after dinnertime, with 6 p.m. PST being the peak time. Shopping from the sofa is most popular on Sundays. Which city drives the most iPad shopping traffic? New York, followed by Chicago and Houston.