It's the unholy union of banks, western union, gold, and Paypal.
Think Blade for Vampires, all of their strengths, none of their weaknesses. We live in an increasingly online world, only makes sense to have a completely online method of payment/storage.
Especially with Coinkite or Bitcoin paper wallets for the traditionalists that need physical "cards" or "paper" to use day to day transactions, there really isn't that steep a barrier of entry.
Google knows this, so they're taking preliminary steps with BTC integration. Amazon, Apple, and eBay are the big ones. Any of those jump in...
BTCBTCBTC for all my Bitpeople!
![Grin](https://bitcointalk.org/Smileys/default/grin.gif)