Google Offers began taking sign-ups yesterday in three U.S. locales and technically hasn’t even launched yet. The Walker Digital lawsuit was filed in a US District Court last night. Earlier this month, the company filed 15 similar suits against more than 100 defendants including Google, Facebook, Microsoft, Amazon, eBay and Apple. Walker Digital also sued Facebook last year over its “friending” technology, according to paidContent. Get the full story at Search Engine Land