One in four (25%) Brits intentionally give false data about themselves to brands, posing a serious risk to marketers planning to collect data amidst the Black Friday sales. 

That is according to a survey of 2,000 UK consumers commissioned by enterprise customer data platform, Treasure Data, which also found that a significant proportion (34%) will not use their primary email address when signing up to brand communications.

As marketers arm themselves with deals and...