Talk for NYC Open Data Week 2022. Abstract Most open data is static. It often corresponds to either a snapshot in time or some historical summary. While static data is surely useful, looking at how data changes over time opens up new avenues for exploration. Looking backward, we can identify trends and garner insights. Looking forward, we can generate forecasts and try to predict the future. Citi Bike is the primary bikeshare in NYC, and they open up a lot of their data.