Advertiser spend on TV and social media is highly inflated in relation to daily consumption. 

This is according to analysis of advertising spend forecasts of 100 worldwide markets by marketing intelligence service WARC, and the results of a survey by GWI of more than 715,000 consumers.

The analysis found that, as of the first quarter of 2021, social media now attracts more investment from advertisers than linear TV for the first time. However, both media draw far...