If Obama gets a second term, we can assume that everything ever posted or written will become available and subject to action as Obama's Regime determines who is effectively a party member and who is not. Support for Dear Leader can easily become a requisite for first tier access to health care, government benefits and programs; never mind the flip side of direct reprisals via the IRS and other investigations.
If Obama gets a second term, we can assume that everything ever posted or written will become available and subject to action This would be quite likely. However if Obama got another term, the Government would be overwhelmed by unsolvable economic and military crisis that would make Internet posting histories mostly irrelevant in very short order.
The effective surveillence infrastructure that monitors the Internet would deteriorate rapidly when staffers start worrying about their own relatives in the food lines.
In the mean time it is wise to remain civil and legal in all actions.