When it said recently it expected the UK economy to shrink slightly in the first quarter of 2012, I did wonder whether the downbeat prediction would turn out to be a counter-indicator - a sign that we had definitely avoided a double dip.
From left to right, there's battery, memory card and GPS. The left two turn from green to red as they are slowly exhausted, while the GPS indicator blinks when searching for a lock.
In the second case the behavior of investments we are told, at every turn and at the bottom of every advertisement and prospectus, that the past is not an indicator of the future.