I'm writing this at Berlin's Tegel airport, waiting for my flight home to Heathrow. Only I shouldn't be here. I should be in the new, gleaming Brandenburg International airport on the other side of Berlin. Only I'm not, because the 2nd. of June closure date for Tegel has come and gone and Brandenburg still isn't finished or open. This isn't the first time Tegel's doom has been postponed, the airport was originally slated to close in November 2011, only it didn't because Brandenburg wasn't finished or open. Currently Tegel is slated to close sometime in March 2013, whether that comes to pass or not is a matter of speculation.

There's a lot to like about Tegel; it's small and efficient, each gate has a security and passport control section and you can get from plane to taxi in under a minute on a good day; try doing that at Heathrow.

Since I started my role at Nokia in Berlin in May of last year I've swapped the daily commute from home to work by train to a weekly commute by plane. This means I have to pass through airport security at London's Heathrow and Berlin's Tegel airports around twice a week. I tend to travel as light as I can, with a hand baggage sized suitcase so I can get off the plane and out of the airport as quickly as I possibly can, something Tegel airport excels at.

Taking the law of averages into account, I should be subject to random additional security searches and although the law of averages is generally considered a fallacy, about once a month my hand baggage gets that extra special level of attention. But it always seems to be for the same thing.

Post 9/11, post the Shoe Bomber and and post, for want of a better description, the Pants Bomber I've had to travel to the United States in the aftermath of a security incident and have had the dubious privilege of witnessing at first hand the incrementally heightened security procedures that have been put in place. Witnessed as a passenger I might add, so I can only pass comment on what I've seen and not what may or may not be going on hidden behind the scenes and out of site of me and my fellow passengers.

Even pre 9/11, airport and airline security seemed to rely on a degree of ritual, of knowing the right incantations and of knowing the right answer to give to certain key questions; "is this your bag?", "did you pack it yourself?", "could anyone have tampered with your luggage?" and "has anyone given you anything to carry?". Answer the previous questions with "yes, yes, no, no" and you would be granted the honour of being able to check in and pass to the mysterious land of "airside". Answer them incorrectly or get the yes's and no's in the wrong order and your life would become very interesting.

At Heathrow yesterday morning, prior to getting on my (much delayed) flight to San Francisco, I remembered to give the aforementioned answers in the right order (this is critical to success), took off my belt and shoes, took my laptop out of my bag, put the whole lot in large grey plastic trays and while they passed through the x-ray machine, I passed through the metal detector with nary a beep.