On online shopping, during the previous decades, it was the time and tide flow of Amazon.com and eBay that dominated the online retail market in the United States and had a great say and command over online commerce activities. But, the recent development is showing many other such sites on the foray and somehow challenging the domination of eBay on e-commerce arena.

The last decade of e-commerce has seen a great stride and phenomenon advancement in recommendation technologies along with birth and growth of social media and mobile commerce. Recommendation technology, which is also referred as referral technology and the waves of RT as dominated the Amazon from the forefront. Amazon mixed up blend of personalized, social and item recommendations. This technology uses implicit user data that is analyzed with a set of usually proprietary algorithms. Other such famous technologies are MyBuys, ATG and rich relevance.

With the initial set up of recommendation technologies the number of social sites kept on increasing and they soon started using social media tactics to promote their commodities and goods. This resulted in increase in use of socially recommended data across social networks and blogs. Another trend nurtured by the e-commerce sites was the increase and raise in distributed sales of e-commerce products.

The another trend for e-commerce which was witnessed during the later half of the decade was the rise in e-commerce with the help of mobile phones. In a recent search the facts have come up as stating that 70 million US mobile phones were used for accessing internet, yet m-commerce market is at immature stage and would take some time to create market same as e-commerce market. Presently, buying small items like Pizza and movie tickets is entrusted as hottest trends for mobile-marketing.