Remember this and teach it to your kids, to your family members. Remember this universal symbol for help ... hand gesture that has become a critical communication tool. The signal involves ...

Although the first documented use of @ was in 1536, the symbol did not rise from modern ... is the sine qua non of electronic communication, thanks to e-mail addresses and Twitter handles.

The communication boards aim to help kids convey simple messages and each one may contain different symbols for different purposes. For example, one board might specifically relate to a visit to a ...