One day it's up. One day it's down.
The volatile, electronic bitcoin has quickly become the currency topic du jour, attracting investments from entrepreneur heavyweights including Cameron and Tyler Winklevoss and Andreessen Horowitz.
While adoption among merchants is still minimal, businesses are increasingly accepting bitcoin as a way of avoiding credit card fees and attracting enthusiasts, who use the currency.
Click ahead to read about various businesses, from a plastic surgeon to a rental software start-up, which are dabbling in the bitcoin world.
—By CNBC's Katie Little. Follow her on Twitter
Posted 21 Nov. 2013