Below is a growing collection of articles, discussions, and blog posts about micro-philanthropy.
The engineer
Micro-philanthropy: Tiny gifts of cash, credit, and service identified and delivered through computer networks and the Internet.
The network theorist
Micro-philanthropy: Gifts of cash, credit, or service awarded collectively by groups of individuals in which each donor makes a proportionately small contribution.
The philosopher
Micro-philanthropy: The long-term impact on grant-making of increased decentralization in decision-making and the erosion of hierarchy.
The activist
Micro-Philanthropy: The practice on the part of non-wealthy individuals of creating large-scale social change by consistently elevating generosity over consumption.
This is a list of some innovative models of giving that involve peer to peer connections between "Helpers" and "Doers"