[DanBC]

If 20% said Apple, and 20% said Google, and 10% said YouTube, and the rest said "don't know" then a majority did think it was Facebook.

[aaronbrethorst]

http://en.wikipedia.org/wiki/Plurality_(voting)

[DanBC]

...and yet, it doesn't matter.

36% were confused by FACEMAIL, and 0% were confused by THINKMAIL.

29% is considered enough to be confusing.