big news for the week is Zoom filing to go public with over $3oomm revenue and a slight profit, great breakdown of Pager Duty’s S-1 by Alex Clayton of Spark - both Zoom and PagerDuty are product led growth models where users can sign up directly online with account expansion from there, UIPath rumored to be raising another round at $7 billion valuation up from $3mm just 6 months ago, damning report on health space and problems with electronic health records, and Fred Wilson starts a discussion on respecting pro rata rights in later rounds