Every day you meet a lot of interesting people who give you their contacts and have a need to retain it. Visiting various shops that provide special benefits for its members.
Enroll in various societies, clubs ... All business cards, membership cards, card benefits (loyalty) hold in your wallet. If this finding even bank cards, space is getting smaller, and the need to use all these cards and data increasing. You have a problem with the organization of the same, worn, the need to be always around you.
Always a card missing .....