Ben & Jerry's Donates Your Spare Twitter Characters to a Good Cause

Ice cream manufacturer Ben & Jerry's is asking users to donate their spare Twitter characters in honor of World Fair Trade Day on May 14.

Earlier this week, Ben & Jerry's launched a Twitter application that squeezes a message and link about World Fair Trade Day in the leftover characters of one's tweets -- i.e., if your tweet is 30 characters, the remaining 110 will contain a message about World Fair Trade Day and a link to more information, like so:

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For users, it's a simple way to spread awareness about a worthy cause, and a clever marketing tactic on Ben & Jerry's end.