Multichannel Merchant--The fourth-annual Free Shipping Day was a billion-dollar day for ecommerce, though it wasn't a big deal for email marketers. 

According to info it posted on the website, more than 2,600 merchants signed up to offer their customers shipping deals on Dec. 16.

And according to online measurement service ComScore, ecommerce sales on Free Shipping Day grew 14% to $1.072 billion.
Read more!