dawn antntibacterialal. an easyy to c clean your r dishes.... a smsmart way toto wash yourur . enenjoy the scscents of ororad apple e blossom. >> o'donnell: it's been said "necessity is the mother of invention." and now a father in georgia is proving it all over again. here's cbs' mark strassman. >> reporter: under a canopy of poplars and oaks, a pandemic revelation: build a treehouse, break a cabin fever. how cool is this? >> it's amazing. >> reporter: deacon avren spent third grade learning in the leaves on his laptop. >> it is the woods right outside the window. it's a lot more quiet so i can focus. >> reporter: it's your own little one-room schoolhouse. >> yes.bu