Show HN: We picked up, tracked, and analyzed 130k pieces of litter in SF https://ift.tt/2O83gdj
Show HN: We picked up, tracked, and analyzed 130k pieces of litter in SF https://ift.tt/308VjMf September 18, 2019 at 02:01PM
Labels: Hacker News
posted by Shell Bell @ September 18, 2019
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