[joering2]

It's already been done. PIs, LE and insurance companies utilizes data of a few companies that have scanners all around US; it's just not a social thing at the moment because when most drive they either text or check email or browse net or listen to the music. Dashcams are still not popular here but the services like you mention could be a huge hit in Russia when dashcams are extremely popular.

Here only few would actually go into lengths to set it up on their dashboard and be capturing licenses with the hope to make a dollar.

Good start to read more: http://consumerist.com/2014/03/05/the-repo-man-might-be-scan...

[Kronopath]

Exactly right. This isn't a hypothetical. This is already being done by repo companies.

Here's another link: http://www.betaboston.com/news/2014/03/05/a-vast-hidden-surv...