Jeremy Gillula and Dave Maass write:
Police cars mounted with automatic license plate readers (ALPRs) wind their way through the streets of Oakland like a “Snake” game on an old cell phone. Instead of eating up pixels of food, these cameras gobble down thousands of license plates each day. And instead of growing a longer tail, ALPRs feed into a giant database of locational data as they conduct surveillance on every driver within the city limits, and sometimes beyond.
This is the portrait that emerged when EFF analyzed eight days of ALPR data provided by the City of Oakland in response to a request under the California Public Records Act.
Read more on EFF.