mycelium-com/wallet — pull request #69 by gehlm (2014-04-19 18:18:20+00:00)
Title: Added "bits" as a Bitcoin unit. Equivalent to "μBTC".

Add an option to use "bits" as a unit of account. The average user will have a difficult time understanding "μBTC", let alone pronounce it properly.

http://en.wikipedia.org/wiki/Bit_(money)
The word bit is a colloquial expression referring to specific coins in various coinages throughout the world.