"They memorize their credit card numbers and press the “donate” button — sometimes several times a day — with an urge and a passion akin to an addict’s.
This growing and seldom-noticed class of political donors — confirmed in recent campaign disclosure reports from presidential candidates — includes thousands of working-class Americans who give in small amounts repeatedly, in some cases compulsively. They defy the common image that the most committed supporters are deep-pocketed high rollers who write checks for $2,500, the maximum, or the bundlers who get rewarded with access and ambassadorships."