According to the International Association for Wireless Telecommunications, text messaging, also know as short message service (SMS), is more popular than phone calls as a means of communication. Sending an SMS is generally quicker than making a phone call, and in some ways it's more convenient and efficient. If you use certain online services, you can send and receive your SMS for free.
Pick an SMS service that allows you to send and receive SMS for free (see Resources). There are dozens of these sites available. A few that you can consider are SendSMSNow, 411 SMS and Txt2Fun. While these sites will require you to register, you won't have to download any software.
Register with SendSMSNow. Create a user name; provide your first and last name, e-mail address, password, gender, country and date of birth, then agree to the terms and conditions and enter the security code. Submit your details and wait for your confirmation e-mail. When you receive this e-mail, click on the included link. Log in to your account and send your text message. Your reply will be sent to your SendSMSNow account.
Sign up for 411 SMS. Register by entering your e-mail address and password. Once you've submitted this information, you'll be sent login details. Log in to the account and send your text message---your reply will be received in this account.
Register with Txt2Fun. This site requires that you provide a user name, password, e-mail address, first and last name, country and mobile phone. Once you've agreed to the terms and conditions, you'll be able to send and receive text messages from this account for free. You may also send bulk SMS for a small per-message fee of 0 as of September 2010.