The reason this _must_ be a woman: http://en.wikipedia.org/wiki/Slut-shaming

You can set your interests for ads (and see what Google thinks you like) here: https://www.google.com/settings/u/0/ads

Google thinks I am 15 years older than I am and I like cats.

No, that was satire that breitbart and the boston globe fell for: http://www.mediaite.com/online/paul-krugman-bankrupt-boston-...

Personally, I spend time researching $1.99 apps because I don't want to waste my time as well as my money. It usually takes less time to read up on a few apps than spend time using them all and finding their shortcomings myself.