The whole content of the website can be downloaded for free even including text emoticons - the writer's mood.
Meebo, talking, and other gif emoticons are easy to download and can be used with all messengers. These were created in the late XIX century; regularly emotion icons were used in casual and comic texts. Some messengers even allow defining status with cool emoticons.
Use any: type the keypad shortcut and you will see text emoticons. Those will help you spice up your conversations via emails and express your feelings easily.
The yahoo hidden emoticons can be a reason to the fact that the idea of a text may be changed. Most commonly used ones are 8-), :(.