This Slate article has an ideological axe to grind (it's amazing what can be politicized...), but has useful info. http://www.slate.com/articles/business/the_b

This Slate article has an ideological axe to grind (it's amazing what can be politicized...), but has useful info. http://www.slate.com/articles/business/the_bills/2016/05/robocalls_have_triumphed_over_the_do_not_call_list_whose_fault_is_it.html http://www.slate.com/articles/business/the_bills/2016/05/rob... Here's some coverage of the situation in Canada: http://www.cbc.ca/news/business/crtc-do-not-call-list-telemarketers-1.3624584 http://www.cbc.ca/news/business/crtc-do-not-call-list-telema...