Second Rotation, which operates Gazelle.com, announced a $6 million round of funding led by RockPort Capital Partners. Second Rotation launched last year as an online exchange that purchases "pre-owned lifestyle goods" from consumers to sell on eBay in a similar model as NextWorth.com, which launched in 2006. Both companies are based in the Boston area and have benefited from buying used items such as iPods, inspecting and refurbishing them, and reselling them on sites such as eBay. Second Rotation's Series B funding includes previous investors Venrock Associates and angel investors Austin Ligon and Henry Vogel.