They first began reporting RPO in Q4'20. It was $155.3M. After Q4'21, it was $152.3M. RPO was down 2% YoY. And it's not like revenue was on fire, as revenue growth decelerated YoY in Q4'20 from 34% to 18% in Q4'21. Fast forward to toward, with a new CEO in place (Todd Nightingale took over the helm on Sep 1, 2022), and RPO seems to be taking off. RPO jumped 30% in Q4'22 to $198.3M and just yesterday Fastly reported Q1'23 RPO of 54%, to $242.4M. Perhaps this is a sign of good things to come, such as a return to 30%+ annual revenue growth.