Sabrine ElkhodrBlockedUnblockFollowFollowingPharmacist. Writer. Serial Entrepreneur. Aspiring growth hacker. Ridiculous Thinker| Editor @MedCrunch | CEO at HealthClick & PharmHack | www.healthclick.com.auJul 13, 2017What is your massive promise? (You need one to bring in the big bucks)Jon Westenberg 🌈39317This should be so obvious yet it’s so easy to forget. Thanks for yet another eye-opening article.