Cave symbols hint at 30,000-year-old origins of written communication MINÉ SALKIN Special to The Globe and Mail Published February 23, 2010 ...

Current communication tools "are often too slow." Symbol-based communication apps like this aren’t new. Apps like Proloqui2Go and TouchChat also rely on pictograms to build sentences.

Boardmaker Symbol Aids Download this communication board and communication book which includes picture symbols including core words and topic specific vocabulary to aid expressive and receptive ...