It looks like mobile Black Friday got off to a great start this year: Bosh – Shoppers in the US bought 2.5 times as much kit on eBay mobile on black Friday compared to the same day in 2010 Thwack – PayPal has announced a 516% increase in global mobile payment volume compared to last year These are serious figures, especially in a period of economic turmoil. We’ll be keeping an eye out for what the smaller retailers in mobile announce and we’ll also be looking out for specific UK and European data.