Signal Messenger (Signal) which is developed by the Open Whisper System markets itself as an “end to end”, “secure” communications platform that is open source.
Perhaps you are not a jealous partner, a rouge teenager or a cheating spouse, but how would you feel if your information was posted connected to a crime you had nothing to do with?
If you have a Google Account it may be worth your while to check out the kind of details Google is storing about your daily activities. Do you know remember what you searched for exactly one year ago? Google does.