One of the expensive problems in mapping: keeping maps updated with “street level data” about signs, addresses etc.
Companies like Apple and Alphabet Inc -- send out fleets of vehicles outfitted with cameras and other sensors to gather images + fetch user data posted on their platforms.
Mapillary - crowdsources images, ingesting pictures contributed from smart phones and other types of cameras.
Why then sell to Facebook crowdsourced intelligence?
This article makes the case for probable whys: https://medium.com/@joemorrison/why-on-earth-did-facebook-just-acquire-mapillary-9838405272f8
The social network of the future: No ads, no corporate surveillance, ethical design, and decentralization! Own your data with Mastodon!