The Huffington Post:
My very first classroom teacher had a long wooden pointer, and she wielded it like a weapon. At least that’s my gauzy recollection. Many of the lessons were written on the blackboard, and she would use her pointer to direct our attention to this or that bit of information. She was an absolute and unquestioned authority in my small world, and her ubiquitous pointer served to reinforce that perception.
Pointing remains a basic tool of instruction, both in the classroom and beyond. Elementary school teachers still use pointers, though these days most of them are plastic and colorful, with clownish hands attached.
Read the whole story: The Huffington Post