Sorry to hijack but an outrageous example from Google: Chrome silently & automatically detects when you login to a google website and uses this to log you into

Sorry to hijack but an outrageous example from Google: Chrome silently & automatically detects when you login to a google website and uses this to log you into Chrome with that same account. They then hide the option to disable this in advanced settings. They are now trying to create a monopoly in the browser and steal additional data.