Greetings @ applause. Very interesting and novel this Marketing strategy, since the companies pay as you say "only and exclusively for the effects and derivations obtained". This is very important because the cost-benefit ratio can be easily measured.
Excellent publication, thank you for sharing it.
Hi @dgalan No doubt we will hear more about it given the world economic situation, it has several advantages, and it is very interesting given the measurements to be made, thanks for reading me