Why does a stapler bend the staple to fasten?

When you staple paper, the staple bends around on the back side.Looking from the front, the staple simply pierces the paper ...
Chicago Tribune

Best stapler

Staplers are a basic office tool that many professionals use to fasten multiple pieces of paper or other thin materials together. While most models seem to offer the basics just fine, upgraded stapler ...

Are "Hotchkiss" and "Stapler" different things? How to tell them apart when you're confused by the names

The stationery order form says "stapler." I usually call it a "Hotchkiss," but am I going to order a different product?For ...
The Gadgeteer

Back to School Gadgets: Staple-less Stapler

Stapler that does not use staples...um...ok. Back to School these days just isn’t the Back to School it was in my day. When I went back to school, I went to the ...