Facebooks social graph is incredibly complex, the code that maintains it is slightly more complex than what you would need for 1/10 the users and 1/100th the social graph.
Yes, that law was an exaggeration but there are plenty of examples that include specifics on where the headquarters is which is effectively the same thing.
As to pork, the 50 billion sandy bill 17 billion relating to sand and then a bunch of random junk such as 33 million for Amtrack which is a for profit company. Now in this case nobody felt the need to hide it, but there are plenty of past spending bills aka law that have really specific contract requirements. EX: 693,000$ (~1/20,000th the budget) for beef improvement research in Missouri and Texas went to the Beef Improvement Federation as the only group meeting the requirements despite not being directly named in law. Granted by it's self not a big deal but plenty of things such as vary narrow import tarrifs stick around ex: refined vs raw sugar. http://edis.ifas.ufl.edu/sc019