The search giant probes all your online activities by tracking lots of your data.
Be warned that the timeline only handles the data that Google already has.
you could grab the tracking feature to disable from here and disable as many of these as you want.
Do remember that disabling data tracking creates obstacles in Google serving its optimum services to you.
You might lose some Google features.
For example, disabling voice recording will probably remove Ok, Google from your phone.
source: www.techworm.net
