A few of them (phone number) break if you CMD-A to select all and start typing, to replace the entire value. It just deselects and appends rather than overwriting.
Aren't all of Apple's social graphs tied to an iTunes login? At least they are consolidating them across their own network. But, I guess since I can't FaceTime my Game Center friends, that's not very useful...
Also, yes, I don't really care if Apple does social as I wouldn't want to invest in another network either. It seems though they are trying at it and failing, rather than just ignoring it.
I'm working on adding relevant policy pages now. Building the site sounded more fun :)
Resumes are hidden until shared with people by giving them the URL. Everyone has a business card, which is public. I'm planning on making it so you can choose to have a resume replace your business card.
This type of thing may work, depending on what your goal is https://nerdtechy.com/best-wifi-sd-card