Globally, the most popular and purchased items over the Internet are books (41%% in Q4 2007), clothing/accessories/shoes (36%), videos / DVDs / games (24%), airline tickets (24%) and electronics(23%), according to Nielsen. The number of Internet consumers buying books over the Internet has increased 7% in 2006-2007 but the biggest increase has been in Clothing / Accessories / Shoes which increased from 20% to 36%.