Why marketers need to be clever with context to get their 2020 advertising strategies right

Which user data works best for marketing? A consensus has never been reached, so advertisers have always had to keep multiple plates spinning, from behavioural data and location data to IP addresses, cookies and beyond.

However, since GDPR came into force, it is no longer a question of whether advertisers have enough data points, but whether they are using them correctly. The Europe-wide legislation has suddenly made everyone conscious of the fact that companies are collecting and using their personal data...