How Did You Improve Your Memory?

Andrea: "I was really scared of the topics speaking aspect and everything I've always been very introverted and shy but in the past years I've tried to overcome these fears" And what exactly did you do for your memory performance? He says he had a whiteboard behind him with a five by five grid. The judges gave us some random numbers, or bearing length,. So from one to three digits, because that would make it more, more fun - although it wasn't necessarily harder for me. But yeah, basically, in each box of the grid went a number between one and three digits. It took a minute to memorize them, although I had already memorize them while