Is the Business Card Dead?
The Death of BCC
Comics Code Dead
It's supposed to be dramatic and sensational but it's lazy and annoying; cut it out.
Takedown is a noun: The wrestler scored two points for the takedown.
Take down is a verb phrase: Take down that video please!
See also: login, singin, setup, everyday, etc.
Confidential to Facebook: "Logout" isn't even a word at all.