In my 10 minutes of playing, I was able to participate in several randomfree gift opportunities mostly sent to other Farmville Facebook friends in the hopes they would give me some random gift back.
The random free-wheeling social element just throws a lot of mud into those gears and companies are only reluctantly jerry-rigging it to their service and sales and marketing operations, like some kind of IT Frankenstein.
The disorders run the gamut from panic attacks and specific phobias to obsessive-compulsive disorder, post-traumatic stress disorder and generalized anxiety disorder, a random kind of worry described as free-floating and relentless.