Player Appreciation Week is an Event that started after Midnight on May 1st, 2012 and runs for exactly 7 days.
Another was held starting September 12, 2012 and added the benefit of having some Goal requirements reduced.
"Player Appreciation Week is here! Check out our Sweepstakes, HUGE sales, double XP, double energy on neighbor visits, and more! Let’s celebrate YOU!" - Zynga (May, 2010)
