I have noticed that the number of websites that have the option to announce their users via SMS that an event is due to happen has increased.  This article explains how to easily add this option to your website (which, of course, is not free).

The SMSs will be sent via the ClickATell gateway.  First, you will have to create an accout at http://www.clickatell.com/login.php?csite=clickatell . After you sign up on ClickATell you will have to purchase credits in order to start sending SMSs (this can be done from the Billing category). The site offers a lot of payments methods from which you can choose the one that you prefer the most ( I used MoneyBookers ). (more…)