Twitter launched full, two-way SMS support for Telus, Virgin Mobile, and Koodo Mobile. We are now live on all major operators in Canadathat means pretty much every mobile phone user in Canada has the ability to send and receive Twitter updates via SMS. Just like twitter deals with the rest of the major Canadian mobile operators, there are no additional fees. Twitter messages are standard rates or deducted from your bundle if you have one. More countries to follow.