These techies created a site for people to find vaccine availability. And people are flocking. FacebookTwitterEmail A CVS pharmacist gives the Pfizer/BioNTech COVID-19 vaccine to a resident at the Emerald Court senior living community in Anaheim, Calif., on Friday, Jan. 8, 2021.MediaNews Group/Orange County Re/MediaNews Group via Getty Images, Media News Group/ Getty Images Through the lens of social media, Patrick McKenzie read the news that California had given counties the green light on Jan. 13 to offer the COVID-19 vaccine to individuals 65 and over — and then he saw the stories unfolding about seniors scrambling to find places to get inoculated.