The Window N90 is my first tablet and I’m not particularly computer savvy, so have some questions. What is ‘rooting’ a tablet and what are the advantages/disadvantages to doing so? I wanted to be able to use the N90 to play movies from my Netflix Instant Queue, but all I get is a dialog box listing system requirements and Netflix Customer Support is no help at all, just telling me I have a slow router connection, which I don’t. I would also like to know if there is a cache on the N90 and how to clear it without having the tablet revert to all Chinese. Some of the apps I have tried to download have given me a 921 error; what is that and is it possible to fix it? I also can’t play Words With Friends on this tablet…any help would be greatly appreciated.