The point is that the information about you is being stored somewhere, somehow. If you don’t want this, stay offline. Simple as that.
For me, I prefer the convenience. I have pretty much switched to using Google Chrome as my browser. Unlike many people I know, I also login and allow Google to store information about my browsing. Because I login, I now have access to my favorites and my Chrome Apps across multiple computers and multiple platforms. This post was started on a Ubuntu system and will probably be finished on my Windows systems. And, it is being typed using Writer, the internet typewriter, which is a Chrome App. It’ll be saved on my Ubuntu system and available on my Windows systems.
It’s all about convenience for me. What do you think you