Personally if we really wanted to mess with them set up a bunch of disposable e-mail addresses over the course of a week using open WiFi connections with a computer running ToR and then periodically e-mail random data attachments back and forth. Hell I've done this for shits and giggles, when I am at the bank send off some random data since I can connect the Starbucks WiFi across the parking lot, at the used book store connect to McDonalds WiFi next door. Poisson the well make their mining of data useless and make them waste resources trying to decrypt output from /dev/random. The e-mail address are just first names of people in groups (the Beatles, the 12 apostles, Metallica, the US senate judiciary committee, etc) with random letter/number combination passwords. After a couple of months stop using those e-mails and then after a bit create a new set of accounts but a different number of them rinse and repeat. Being a white male with US citizenship, born in the US and residing in the US offers a lot of protection to do this but I wouldn't recommend anyone with a suspicious* background to do this.
* By suspicious I mean someone who might have ties to any protest organization, be a naturalized citizen, have visited any strange countries, be a minority, committed a crime other than a traffic/parking ticket, or any other group the government may want to target or would be ignored by the news media. Basically it would be similar to driving while black, or the opposite of being a young white girl who gets murdered or put on trial in a foreign country. I hate to say it but it is sadly true that the general population would't care about your plight if you could be painted as an undesireable.