The first thing anyone flying needs to know is that there are no hard and fast rules put into place at this time, and what you read or hear about at one airport may not be the case at another. The Transportation Security Administration wrote in a press release that "These measures are designed to be unpredictable, so passengers should not expect to see the same thing everywhere."
via lifehacker.com
To all those flying soon, you might want to be aware of these new and unpredictable regulations, especially if you are US bound from elsewhere in the world...