You can Guarantee your advertising results trough science.
The first return on investment from your advertising efforts will be an inquiry about your product. It may be to a salesperson in a store, a phone call or an email.
Though it is just an inquiry, you are starting to see a return on your investment. This is the first proof your advertising is working.
It may less conviction in Copy to make a Consumer write an email, and send it, as it w...
