Microsoft sold more than 60 million licenses and upgrades of Windows 8 in the first 10 weeks after its October 26, 2012, global launch. Marketing spanned 42 countries with TV, print, and banner ads, outdoor posters, and branded entertainment. They used a ________ approach for the launch.

A) shotgun
B) continuous
C) born global
D) sprinkler
E) waterfall

D