Adds note about links to email data collection (#46)

README.md

@@ -129,7 +129,7 @@ Nearly 50 years since the first email was sent, it's still very much a big part
 
 If a hacker gets access to your emails, it provides a gateway for your other accounts to be compromised (through password resets), therefore email security is paramount for your digital safety.
 
-The big companies providing "free" email service, don't have a good reputation for respecting users privacy: Gmail was caught giving [third parties full access](https://www.wsj.com/articles/techs-dirty-secret-the-app-developers-sifting-through-your-gmail-1530544442) to user emails and also [tracking all of your purchases](https://www.cnbc.com/2019/05/17/google-gmail-tracks-purchase-history-how-to-delete-it.html). Yahoo was also caught scanning emails in real-time [for US surveillance agencies](http://news.trust.org/item/20161004170601-99f8c) Advertisers [were granted access](https://thenextweb.com/insider/2018/08/29/both-yahoo-and-aol-are-scanning-customer-emails-to-attract-advertisers) to Yahoo and AOL users messages to “identify and segment potential customers by picking up on contextual buying signals, and past purchases.”
+The big companies providing "free" email service, don't have a good reputation for respecting users privacy: Gmail was caught giving [third parties full access](https://www.wsj.com/articles/techs-dirty-secret-the-app-developers-sifting-through-your-gmail-1530544442) to user emails and also [tracking all of your purchases](https://www.cnbc.com/2019/05/17/google-gmail-tracks-purchase-history-how-to-delete-it.html). Yahoo was also caught scanning emails in real-time [for US surveillance agencies](http://news.trust.org/item/20161004170601-99f8c) Advertisers [were granted access](https://thenextweb.com/insider/2018/08/29/both-yahoo-and-aol-are-scanning-customer-emails-to-attract-advertisers) to Yahoo and AOL users messages to “identify and segment potential customers by picking up on contextual buying signals, and past purchases.” (disputed in [#46](https://github.com/Lissy93/personal-security-checklist/issues/46))
 
 
 **Security** | **Priority** | **Details and Hints**