greenborder, which is based in mountain view, california, where google has its headquarters, posted a message at its website announcing that it had been bought by google. google confirmed the purchase of greenborder, saying the deal was completed mid-may 2007 but the financial terms were not disclosed. greenborder said it is no longer taking on new customers and will service current subscribers until their contracts expire. greenborder was founded in 2001 and backed by venture capital.