The Invention Nobody Wanted That Became a Top Selling Office Product

(via Neatorama and Today I Learned)The most mundane items often have a fascinating story behind them. Post-It Notes? We use them every day, whether in office work or to keep kids busy yet non-destructive. This is one of the rare stories in which the product came before there was a recognized need. After all, we had paper clips and thumbtacks already!