[WMD 2015] 500 Startups >> Susan Su, "MUST. OPEN. NOW: 8 Psychological Triggers to Hypnotize Users & Hack Email Open Rates"
![[WMD 2015] 500 Startups >> Susan Su, "MUST. OPEN. NOW: 8 Psychological Triggers to Hypnotize Users & Hack Email Open Rates"](https://static.fdocuments.net/doc/330x215/55a56f681a28ab19518b456f/wmd-2015-500-startups-susan-su-must-open-now-8-psychological-triggers-to-hypnotize-users-hack-email-open-rates.jpg)
