In March, ad-marketing research company System1 debuted a new product called Test Your Audio that was billed as a tool to help advertisers determine the short- and long-term commercial impact of audio ...

Google is rolling out streamlined Video experiments for advertisers to easily test creative variations and measure their impact. Key features: Quick setup: Create experiments in just a few clicks.

Inside AdWords Guru Emel Mutlu tells us that Google has expanded the base of advertisers testing the beta of an AdWords Web interface. Tests, which began in November, have proved the new interface ...