New Literacies are digital literacies; online, messaging, sms, phones and computers. New Literacies combine letters, symbols, colours, sounds and graphics to extend language and the ways we communicate.
For young people, text messages are about maintaining social connections and social identity.
Thinking of computer games as literacy can be mind stretching.
Blog is short for web log. A Blog is an online personal journal or diary.
Wiki means "quick" in Hawaiian.
Instant Messaging is a way of sending text virtually instantaneously from one computer to another. It is also referred to as 'online chat'.
SMS is an acronym for Short Message Service.
Social software or the social web and Web 2.0, refer to a range of web-enabled software that allows users to interact online, sharing materials and meeting other users.
Squeeze text refers to the abbreviated spellings and emoticons that have evolved to facilitate sending text messages from mobile phones. The smallness of the mobile phone screen, and the awkwardness of using a phone keypad to enter letters, motivated people to find the briefest ways to express meaning in text.
This is a bit technical, but if you've wondered what they mean by 3G phones, this may help.