I used to wish I could buy real-world stocks and keep it denominated in btc.

E.g. APPLE stock in BTC instead of US$.

And then I found Keza.

Invest globally with bitcoin. Wealthfront for bitcoin.
http://themerkle.com/bitcoin-investment-startup-keza-unveils-ios-beta-app/
https://www.producthunt.com/tech/keza
http://getkeza.com/ (It's free to apply for a Keza account)