Mobile ads are a format of Adwords ads that appear on mobile websites and Google search pages when a user searches from a mobile device. Mobile ads are available as either text or image ads. Mobile ads work on a pay per click as well as a pay per call basis. Every ad contains a headline and a description with a maximum of 18 characters each. The third line contains the site URL or a telephone number or both. Advertisers can therefore choose to connect to customers via whichever medium - phone or website - that they prefer, or they can let customers choose. Mobile ads can be targeted only to following countries:  Australia, Austria, Belgium, Canada, China, Denmark, Finland, France, Germany, ... Read more...