The 2013 holiday shopping season blew by at a record pace. With six fewer days between Thanksgiving and Christmas than 2012, Adobe Digital Index speculated that retailers may lose up to $1.5 billion in potential revenue if marketing programs failed to capture even greater daily sales than the Digital Index model predicted. Now that the season is complete, Digital Index has just released its 2013 eCommerce Benchmark and Holiday Shopping Report which offers more than 25 eCommerce benchmarks — and points to some holiday shopping surprises.