This isn't your ordinary SIM card. Crammed inside are a processor, memory, 1GB of flash storage space and Google's Android operating system. The prototype card, developed by South Korea's SK Telecom, is intended to carry all of the user's applications and data so that your complete desktop can be transported.

To comment on this article and other PCWorld content, visit our Facebook page or our Twitter feed.
Shop Tech Products at Amazon
Notice to our Readers
We're now using social media to take your comments and feedback. Learn more about this here.