Google Inc. on Wednesday announced it has launched a wireless service in the United States, partnering with T-Mobile U.S. Inc. and Sprint Corp. for coverage on their networks. A website for Google's new service, called Project Fi, showed it is available in most major markets across the U.S. Nick Fox, Google's vice-president of communications products, said in a blog post that text-and-talk service is available for $20 US a month, and data costs $10 US per GB. He said customers will get credit for unused data. The blog post said customers of the service can use their accounts in more...