Those 4 styles are really poorly written. They're not MECE and I'd be happy to write them off as pseudo science, or even a marketing scheme for a book based on that blog post.
If there are 4 styles where 3 are wrong and 'this book teaches you the correct 1' I get nervous.
This all quite a matter of personal taste, but Brian Molko maybe?
I actually found the Photos app quite comprehensive. It stores all pictures, groups faces, and allows for searching on keywords (such as 'plane'). Is there another free app that does this?
It could be Simpsons paradox!
Awesome! I will try it this weekend
Crypto is an alternative to none of those things. Its a ponzy scheme with extra steps.