A few weeks back, Google began rolling out a Gmail Labs feature that enabled people to send text messages to cell phones within the US, but had to pull it back when a showstopper bug related to message transmission was found. Google hopes the second time will be a charm, though, and has finally Of course, many cell phone users in the US get charged on a per-message-received basis, so if you want to avoid hefty bills just reply “block” or “stop” to either block a specific contact from texting you or stop the service altogether.