Online purchases hit $41.5 billion in the third quarter, according to a report from the U.S. Census Bureau.
The ease and convenience of shopping online means that Internet purchases made up more than 4% of U.S. retail sales in the third quarter, according to eWay.com.
In 2004, online purchases made up just 2% of retail sales, and just 1% in 2000.
For the third quarter of 2010, online sales were up 13.6%, compared with a gain of 6% for overall retail sales.
Online Purchases Hit $41.5 Billion in Third Quarter