What does MB stand for?

What does MB mean?

MB	Might Be Internet » Chat
MB	Message Board Internet
MB	MegaBytes Academic & Science » Ocean Science
MB	MegaBytes Academic & Science » Electronics
MB	MegaBytes Governmental » NASA
MB	MegaBytes Miscellaneous » Unit Measures
MB	MegaBytes Computing » Security
MB	MegaBytes Computing » Databases
MB	MegaBytes Computing » General
MB	Manitoba Regional » Canada Provinces
MB	Mouse Button Computing » Hardware
MB	Mercedes Benz Business » Firms
MB	Mother Board Computing » Hardware
MB	Make Better Community » Educational
MB	Minimum Bid Business » General
MB	MegaBase Medical » Human Genome
MB	Milton Bradley Business » Firms
MB	Main Board Academic & Science » Electronics
MB	Mister Bill Community » Famous
MB	Marine Board Academic & Science » Ocean Science
MB	More Beer Miscellaneous » Food
Mb	Megabits Miscellaneous » Unit Measures
MB	Main Battle Governmental » Military
MB	Mounting Base Governmental » Military
MB	Mary Beth Miscellaneous » Names and Nicknames