What preventions does FB take to stop advertisers from scraping groups for emails and use that in their ad campaigns? Is FB known to add their own emails in those groups to catch people who do this?
If they don't have these measures in place, what is there to stop an advertiser from scraping groups and using email lists in general for super-targeted campaigns on FB?
If they don't have these measures in place, what is there to stop an advertiser from scraping groups and using email lists in general for super-targeted campaigns on FB?