Cidewalk is a self-service advertising tool anyone can use to get the word out about their business, service or product on mobile phones. Choose a city or town in the US or Canada you would like to target your ad will only be shown in that location. 

To create your ad, simply enter a catchy 25 character title and 80 character description. You can also add a small image or icon. Your ad will then instantly be shown at the bottom banner on thousands of apps that are being viewed in that area.

Here is a sample of what it will look like: