" I will nag you until you order one...ok ? "
As the saying goes in the crypto world, when your wallet is on-line or your coins are in an exchange... it's not IF...but WHEN
...because they will get hacked
The Nano S is amazing and can protect the private keys to My Ethereum Wallet - MEW allowing for a host of currencies like Litecoin and Ripple
Bitcoin and business platforms based on Ethereum and new tangle networks like IOTA, and many others like encrypted email, open sourced github - decentralized - P2P peer-tp-peer, private, smart contracts, blockchain, validated transactions...
Blockchain is the future of everything