Can I embed my wallet into my brain? or my skin?

[aahzmundus]

Of course, there is always the option of using gene therapy to write the keys somewhere in your junk DNA

What, and have to scrub down every day like in Gattaca?  I think not....

[xalex]

Tattoos are really not something for me, those things are permanent..

This would be a lot cooler:
http://hackaday.com/2008/10/15/diy-rfid-implant/

I really want this for opening the front door of my apartment. I assume a chip like this will store a private key as well

[da2ce7]

Yep! It is easy:  see the proposal that I wrote here: https://forum.bitcoin.org/index.php?topic=11665.0