Origins of Graphic Communications

And link to TED talk on alphabets and graphics.
' ... "Why are these 32 symbols found in ancient caves all over Europe?"
Genevieve Von Petzinger, a paleoanthropologist associated with the University of Victoria (British Columbia), is concerned primarily with symbols in Ice Age European cave art dating to the Upper Paleolithic (40,000-10,000 BP), but she also has her eye on possible predecessors in Africa and parallels across Asia all the way to Indonesia. ... " 

You Can Draw

Short TED style talk on drawing.  We experimented with using graphical recording methods for documentation.  Here is another example how basic techniques can get you started.   It takes only a little bit of practice.