Just a few notes from a popular song and you can't get the song out of your head the rest of the day. Why? How? Your memory filled in the missing pieces because it was familiar.
The same can be said for advertising => after someone sees you 6 times, they see you as a friend.
A typically customer uses our iPhone App 1 time each week. Do you want to be seen 1 time each week?
We create iPhone Apps for your business that customers can use for daily activities once a week or more. Each time a customer uses your app, you get a little advertising. Maybe the best place to be advertising is on the device that has become an important tool to most customers.