Wireless carriers want to ensure that consumers are provided with the best possible user experience when receiving text messages. Part of this user experience is making sure consumers understand that they can unsubscribe from receiving text messages at anytime.
To make this more clear to consumers, wireless carriers have asked that our clients include stop instructions in each mass message. To assist our clients with this request, Tatango automatically adds "Stop2End" (shortest instructions allowed) to the bottom of each mass message.
An example is below.