Check out the Prudential ad across the top of nytimes.com.
A great burst of creativity and ingenuity, which makes you click through to see what’s going on.
Plug in your birth date and year, and you’ll see the cover of The New York Times on the day you were born.
To pull it off, The Times developed an API with an index of 139 front pages, 50,000 covers in total.
Look quickly; not sure when the ad comes down.
And read the details in Mashable.