For the walk-in closet: add doors that slide in like an armoir. Then, trim it out to look pretty like this. Would make the back entry lovely. Make an ugly closet door look like a piece of furniture-nice!
Rambler Socket is an in-wall box that contains meters of extra cord along with a traditional AC outlet. If your AC cord is long enough, you simply plug it into the socket per usual; if you need a little extra length, the built-in extension cord pulls