Receipt scanning & cataloging has reached the 21st century. Back when I did it 5 years ago, I had only myself and dedicated fans to keep track of my purchases. Now, you've got a handheld scanner, specialized software, and modern computing to help track purchases. Maybe more people will post their purchases online? Erm....well, probably not. A little programming could create a centralized open database for users to contribute their data and imitate shopping-reward-card databases for the masses, which is far more useful and farthinking than what I did.
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