Does a new feature give Gmail users control over how emails are used? No. Not really, no (update 2018/05/06: and I found out is even worst than it seemed).
The FCC Net Neutrality decision on Dec. 14th, 2017 (*) has rightly caused a lot of outrage, and concrete reactions, both political (e.g. petitions) and technical ones
It looks like the UK Labour party will soon call for closer scrutiny of tech firms and their algorithms. If all goes well, it just won’t work, and that will the end of it. Otherwise, it will be really bad.