There’s lots of cool chatter about the potential for Apache Arrow in geospatial and for geospatial in Apache Arrow. Some recent blog posts have touched on some of the opportunities that are unlocked by storing geospatial vector data in Parquet files (as opposed to something like a Shapefile or a GeoPackage), like the ability to read directly from JavaScript on the web, the ability to register a Parquet file as a virtual table in Postgres/PostGIS, and the general support for Parquet in cloud-based data providers.