Mobile ads thrive on Facebook, Google, Instagram and Pinterest

Mobile application makers currently have no plans to slow the onslaught of mobile ads that encourage you to install their apps on a smartphone. As the market for "mobile-app-install ads" grows to keep pace with demand, including participation from more of today's most popular platforms, the mix of publishers and brands that can afford the greatest ad presence is also on the rise.Little commonality existed among the top 20 app-install advertisers on Facebook, Google, Instagram and Pinterest durin