PayPal today announced the launch of Mobile Checkout, a service allowing consumers in the U.S., U.K. and Canada to buy items securely using the mobile web. PayPal Mobile Checkout offers a way to accept payments for merchants with online storefronts. With PayPal Mobile Checkout, merchants can sell items such as DVDs, CDs, clothing, tickets, electronics, video games, books, athletic equipment, and even specialty items from catalogs such as SkyMall, directly through the Mobile web. PayPal Mobile Ch...