Experts See Web Sales Leveling Off After Quick Growth by Mark Friedman Posted 3/3/2014 12:00 am Updated 4 years ago From basically zero 20 years ago, online sales have already taken 6 percent of all U.S. retail sales. By 2017, that share is expected to jump to 10 percent. But then what? Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access articles older than 15 days. Articles newer than 15 days are not included in this offer. Purchase Now Already have archive access? Login to view this article.