“Evernote’s CEO Phil Libin shared some revealing insights about how the company turns non-paying users into revenue generating ones.[xxiii] In 2011, Libin published a chart now known as the “smile graph.” With the percentage of sign-ups represented on the Y-axis… — Nir Eyal Copy Share Image
![“Evernote’s CEO Phil Libin shared some revealing insights about how the company turns non-paying users into revenue generating ones.[xxiii] In 2011, Libin published a chart now known as the “smile graph.” With the percentage of sign-ups represented on the Y-axis and time spent on the service on the…” quote by Nir Eyal](https://sms4smile.com/quotes/img-quotes/42c/nir-eyal-1258_business_evernote-s-ceo-phil-libin-shared-some-re_2578762.jpg)