To support its year-long campaign revolving around a constantly changing can and bottle designs, Pepsi will be launching a series of microsites, reports ClickZ.

The URLs to the microsites will be printed on cans and bottles, with new sites popping up throughout the year. The first site, thisisthebeginning.com, appeared in January and encouraged people to design their own outdoor billboard for Pepsi. The best designs will actually be created and displayed in New York's Times Square in April.

Some 10-12 microsites will appear throughout the rest of 2007, including pepsifreeride.com, which just launched and targets car fanatics.

All the sites, created by Tribal DDB, will include some sort of interactive feature to draw in visitors. Other sites in the Pepsi stable are also being redesigned.

All the cans in this campaign will be available at the newly created pepsigallery.com.