Data reveals that many more shoppers relied on mobile for purchases, convenience and deals on Black Friday, with PayPal seeing a 310 percent increase in mobile shopping that day.

Savvy retailers are waiting with baited breath to find out whether the boom in ecommerce sales on Cyber Monday will translate to increased transactions via commerce-enabled mobile sites and apps.

Sears Holdings Corp. said that during the Black Friday weekend it saw a rise in mobile shoppers.

While actual mobile payments are still nascent, more consumers shopped on Black Friday using their mobile phone than ever before.

Retail giant J. C. Penney Company Inc. has launched a holiday-themed mobile Web site to promote its post-Thanksgiving and post-Christmas sales.

Amazon.com Inc., the Internet’s leading retailer, is using mobile to push its Black Friday and Cyber Monday deals.