With a $1.5bn valuation, ZipRecruiter is revolutionizing careers as the #1 Job Search app in the market. Ian Siegel, Founder and CEO at ZipRecruiter, walks us through how ZipRecruiter has created a sustainable competitive advantage with the help of 1) Aggregation Theory and 2) AI/machine-learning capabilities. Ian also shares how ZipRecruiter's novel monetization model and disciplined focus on product have satisfied employers of all sizes.