Some of these statistics are simply unbelievable:
12 Mind-Blowing Statistics Every Marketer Should Know

1. 78% of Internet users conduct product research online.
4. 40% of US smartphone owners compare prices on their mobile device while in-store, shopping for an item.
7. 84% of 25-34 year-olds have left a favorite website because of intrusive or irrelevant advertising.

Read ’em all.