In the article 14 Sites Changing the Way We Shop, Mashable's Stephanie Marcus describes how online sites have changed the way we shop. She organizes the sites as follows:

- Tweeting Deals: Cheap Tweet
- Group Buying: Groupon, Living Social, Tippr, Yipit
- Coupons: Retail Me Not, Coupon Cabin
- Personal Shopper: Shop It To Me, My Perfect Sale
- Sample Sale