Andreas LackmannDeine Daten sind Dein Eigentum!#OwnYourData (BesitzeDeineDaten)Apr 9, 2018Apr 9, 2018
Andreas LackmannThe POWER of feedback — or how to use it to improve yourselfIf you play it by the rules, you are not supposed to comment on the feedback you receive. This can be very challenging, especially when it…Dec 11, 2017Dec 11, 2017
