Industry executives say the campaigns simply use data-mining to show the most relevant message to each voter.
We're proud to be working in partnership with the Wixarika People to carry their urgent and very relevant message to the world".
Badu also said that she now had a relevant message to express for listeners and was no longer struggling with a creative block.
He wrote: "Our priority is delivering the most relevant messages to you while keeping lower-quality messages out.
Local radio stations got in on the act by airing relevant messages to the general public.
It is necessary "to select the relevant message and communicate it in a clear manner," Menchini says.
These new posters offer more cutting and relevant messages to the unmotivated and no nonsense folk of today.
The speaker said this was highly effective, as it allowed the campaign to filter out those who were not interested and to deliver relevant messages to potential customers.
Launched in July, Adfonic enables advertisers to deliver relevant messages to specific audiences on mobile devices.
"If you can capture the rest of that audience, and do what they say is a better job of delivering relevant messages to them, then why not go for that?" said Gary Wilcox, professor of advertising at the University of Texas at Austin.
