The inter connectivity of Yahoo, Google, Amazon, You Tube, Kindle, Face Book, the Android Play Store, from where your download apps and Blogspot might concern some people. It doesn't worry me but I am little surprised while noticing how it all works together.
If I google something very commercial, such as overseas travel destination, you can be sure I will see things on various sites about the destination, how to get there and where to stay. Should I look at cars, I will see car ads in Face Book. Face Book still hasn't worked out I am gay, so it is not so smart.
I receive notifications about books for sale from Amazon because of what clips I have looked at on You Tube. Today I uploaded a clip to You Tube for use in a future blog post and a message came to my mobile phone that the clip had successfully uploaded. I suppose it came via G Mail, from You Tube. I guess I signed up or signed in for all these things and as I said, it doesn't worry me, but if I was young, I think I would need to be careful. Thank god X Tube is not in the mix, yet.