I agree that this is going to be a big, big problem in the future. I do have a FB account, along with Gmail and G+ accounts. And yes, my mobile phone numbers, personal photos etc. are there. However, I've made sure that none of these photos are anything that I'd mind becoming completely public...and I don't really think I've EVER taken a photo that's embarrassing enough for me to never want it to go public.
And my phones are always pre-paid, and I used to avoid all location based services (use GPS now). As for being bombarded by adverts - I honestly don't notice it any more, I just filter it all out. If I want to buy something, I will go out and get it, adverts or not.