Psychology6. August 2017/in All Quotes, Common Wisdoms /by Christoph NiemannPlatforms change – psychology doesn’t. Michael Fishman – American marketing expert and business consultant (b. 1960), Quotations book 2018 https://normanrentrop.de/wp-content/uploads/2014/05/normanrentrop-w.png 0 0 Christoph Niemann https://normanrentrop.de/wp-content/uploads/2014/05/normanrentrop-w.png Christoph Niemann2017-08-06 14:29:252017-12-18 21:34:09Psychology