Bitcoin Back Above $1,000 as Major Businesses Embrace Currency

The price of bitcoin topped $1,000 on Mt. Gox, the second-largest exchange by volume, for the first time since mid-December, following multiple announcements of major businesses accepting the currency. Zynga announced Saturday that it is working with BitPay, a bitcoin-payment processor, to test accepting the digital currency as payment for items in certain online games. Last month, the CEO of Overstock.com, a popular discount-shopping website, revealed plans to accept bitcoin in the first half o...