* API client with batching and parallelization built in (100 queries in a single request, multiple requests run in parallel, etc.) * robustness in the face of

* API client with batching and parallelization built in (100 queries in a single request, multiple requests run in parallel, etc.) * robustness in the face of bad street suffixes (for example, in Burlington, VT, you may find data with "CR" meaning "CIRCLE" instead of the official USPS "CREEK") * fuzzy street name matching (PAKCER -> PACKER) * accurate geocoding in rural United States * fuzzy international place matching (like "ST PANCRAS ST STATION" in London)