If you lose on penalties in front of your own crowd the memory will stay with you - and it won't be a happy one.

BBC: Fulham manager Roy Hodgson eyes Europa League glory

Similarly, if you only saw one film and it happened to be the fabulous "Waltz with Bashir" you might have a happier memory of Cannes than if it happened to be Michel Gondry's half-woman, half-chair story.

CNN: Behind the red carpet at Cannes

Armed with your new knowledge about memory, you'll find some of the computer ads you see a bit less beguiling.

WSJ: Here's How to Survive Shopping for a PC

But he says that with the help of SAP data compression technology that crunches down data by 10-20x, you can now run the largest companies in the world with several years of transactional data in main memory.

FORBES: SAP Sees 'In-Memory Computing' Driving Major Change In IT