Here is Jan Koum, at Startup School SV 2014 [0]: "... our iPhone app was paid and our other platforms were free." Other platforms being Nokia and Blackberry. H

Here is Jan Koum, at Startup School SV 2014 [0]: "... our iPhone app was paid and our other platforms were free." Other platforms being Nokia and Blackberry. He further explained that it may sound somewhat counter-intuitive: the reason why they made the app paid for some users was to slow their growth (similar to Facebook's college-only focus) so they could properly build out infrastructure and improve on the user-experience [1]. [0] https://genius.com/Jim-goetz-jim-goetz-and-jan-koum-at-startup-school-sv-2014-annotated https://genius.com/Jim-goetz-jim-goetz-and-jan-koum-at-start... [1] https://youtu.be/8-pJa11YvCs?list=PLQ-uHSnFig5OyY5JWSQrl_gESiEUJxe1m&t=963 https://youtu.be/8-pJa11YvCs?list=PLQ-uHSnFig5OyY5JWSQrl_gES...