Startpage is bundled with Tor.
As they say the safest way to not be monitored is to unplug from the internet and mobile phone networks. Even then you are on CCTV where ever you go

The NSA and The UK security agencies have been compromised by all the leaks and thats exposed their behaviour - but it was kinda obvious if you think about it - they were tapping phones in the 50s so its obvious there will be a digital version. That said, it is most unlikely you will have human eyes looking at your posts, they will likely be bots looking for trends and strange behaviour likely to alert them to dangerous activity. I mean billions of messages are sent every day most cannot read a letter.
All data is stored somewhere the best way to deal with this is imagine there is a policeman watching everything you do over your shoulder









