Analysts say cloud services could help Best Buy take a greater share of sales in the fast-growing e-commerce sector.

Total annual e-commerce sales

2011$161.5 billion

2010$142.5 billion

2009$129.8 billion

2008$130.1 billion

2007$123.5 billion

Source: ComScore

TOTAL SHARE OF CONSUMER ELECTRONIC SALES

Cloud technology allows users to access digital content on a variety of devices including laptops, televisions, smartphones and tablets. Sales of PCs and TVs have fallen in recent years as more consumers embrace mobile devices.

2011 sales2010 sales

PCs19.3 percent19.8 percent

TVs13.8 percent15 percent

Tablets/e-readers10.7 percent5.1 percent

Mobile phones8.5 percent8.2 percent

Source: NPD Group