Spark producer Jason Vermes added a few emojis to his Twitter name. In the example on the left, too many emojis are used. On the right, just a handful illustrates what's in the bio below.

You've seen those cute emojis by your friends' faces in the chat area. Get the scoop on what they mean and how to change them. Alina Bradford has been writing how-tos, tech articles and more for ...