Glenn,

Thought you Might be interested in the following [related] to the Subject of Headlines, with an added Mix of Opinions and Ideas along the way being discussed...

Audiences prefer headlines with numbers that say things explicitly over ambiguous ones...
https://www.google.com/search?q=Audi...ox-a&gws_rd=cr
http://socialmediatoday.com/shanejon...es-earn-clicks
http://moz.com/blog/5-data-insights-...-readers-click

All the best,
Phil