Steve Portigal @steveportigal
Author of Doorbells, Danger, and Dead Batteries and Interviewing Users (https://t.co/MWPBOeiM55), Host @DollrsToDonuts, work Portigal Consulting
April 22, 2017
March For Science - San Francisco at Justin Herman Plaza
Steve Portigal @steveportigal
A rally with invited speakers will start the event at 11:00AM in Justin Herman Plaza. After the rally at approximately 12:30PM, we will march down Market street to Civic Center Plaza, ending with a Fa…