Tagg is a free web & mobile based mass messaging platform that you can use for any of your purposes. This could be for (seemingly) noble causes like group SMS, micro-blogging etc, or for less noble ones like spamming users with unsolicited SMS (by users, not by Tagg).
The way it works is fairly simple. You can start a group (called Taggivity) which others can subscribe to. You can send out updates that will get forwarded to all the subscribers. This can be done from the web interface or from the mobile usings SMS. Their revenue model is based on advertising – text/banners ad on the website and a short ad that is appended to SMS’s being [...] Read full story