Sorrell's prediction for the holding companies may ring true as AA/Warc says the UK ad market will decline by 16.7% in 2020.
Print's decline in media attention is now four times worse than previously predicted as television and digital video boom.
"Netimperative" is reporting on media consumption research that shows time spend watching television, digital video and posting on social media is soaring and will continue to grow throughout the
year. The extra attention comes from declining readership of print newspapers and magazines.
GroupM's figures are upbeat -- but print's share of UK ad spend has halved in just four years.
On the day of circulation, "The Blank Page" spread ample awareness, driving an increase of traffic to the paper's website that surpassed the average visits by 16.6%.
Digital advertising is growing -- but it's not enough to make up for the massive losses in print ad revenues.
It was supposed to boost traditional above-the-line channels, but AA/Warc figures show the opposite happened.
Like the newspaper industry, consumer mags are fighting to show not all content is created equal.