Billions of dollars are spent each year on advertising and the trend will only skyrocket in upcoming five years or so.
To do job efficiently the right type of targeted audience would be necessary to ensure good selling.
Facebook is a great source to retrieve personal data. As you have heard recently about such a scandal of leaking personal information.
Liberdy advertiser company has brought an innovative way to reward users for their classified data. EU citizens can get benefit from it. The company will use LIB tokens to reward its users.
Thank you @danizaharie for providing a great research and developments in blockchain technology.