When 2009 became 2010, some Windows mobile users and some Australian payment processors found that their systems thought it was really 2016.
Slashdot: Remember the Y2K scare? Perhaps we should really have been worried about Y2010. As the new year clicked over, some Australian payment processors and some Windows mobile users experienced a bug that caused their systems to skip ahead six years to 2016. Slashdot readers linked the two stories together and posted a discussion about what caused the problem.