CNET: Wearable tech that makes you smarter. http://google.com/producer/s/CBIw5q-SkgE

Might make you smarter but sadly you don’t really look smarter wearing one of these.  Perhaps you’d put one on, give yourself a little buzz and, now a little bit smarter, look at yourself and say “No” – and take it off. 

After a while the smartness wears off and you put it on again . . . .