This small box contains new content and is posted in a very prominent spot on the page where Microsoft sells its Surface RT devices:
It’s a reaction to stupid lawsuits like this one, apparently.
Microsoft adds disclaimer about Surface storage
Published
Ed Bott (@ wordpress.com) 
Ridiculous that there’s a need, but whatever. Windows OS + Full office suite = used up storage. That seems sort of obvious to me. 16GB of it is a bit surprising, but not too terribly much.
Some folks feel that the World deserves them more memory. Sad for all of us, because we all pay the price for their frivolous lawsuits.
Overall though, I’m extremely impressed with the memory on my Surface RT. Windows RT seems to use it very effeciantly, and the apps I’ve been downloading don’t apper to bloated overall.