This podcast explains about the google ads appaear in various places.
Text based ads show in this network
*Display network.
Text,Image,video ads shown in the display network.
Search network :
It is classified in to two parts
Here ads can show in top or bottom in the search results ,Google maps & Google Play store also.
Here ads can show in google partner websites, Google video & Google sites.
Display Network :
Here ads shown on display network - collection of google websites like Gmail,Blogger,Youtube and Google finance.
This network also includes mobile sites and apps also.
So there also ads can appear.
Mobile devices :
People will see your text ads through mobile also.
If your ads was in video/image format , the people must have high-end android / iphone mobiles to see ads in display network websites.
Location/Language :
If you want to show ads to some specified location,then we can show ads to that people also.
If you want to show ads to some specified language people, we can also have option to show ads to people.