This week at the popular Consumer Electronics Show (CES as everyone calls it) our sister site Engadget was covering all the hoopla. Some exciting technology was unveiled that will allow a theoretical 2 terabytes of data to be stored on a new SD card format called SDXC. An SD card is the kind of card you can put in your camera. Most desktop and laptops have SD drives built in these days, so you probably have access to one even if you don't know it.
The cards are great for storing pictures and other data. I've used a 2 gigabyte one quite a bit to transfer around files, and in particular relevance to WoW, large addon and configuration directories (the WTF folder in the root WoW directory). It's much faster to put the 150 megabyte of WoW configuration files onto the card and physically transfer it than to deal with a slow and shabby WiFi connection.
However with the introduction of this new technology an interesting prospect is raised: playing WoW off an SD card directly.