Web 2.0 has changed many aspects of the modern world, and fundraising and philanthropy is no exception. From the tidal wave of tech tycoons committing to the Giving Pledge to the rise of crowdfunding (and a bevy of potential platforms for a crowdfunder to choose from), soliciting essential funds has more avenues than ever--and more potential challenges along with them. This week's throwback rounds up numerous articles that provide time-tested wisdom on how to navigate in the new world of web-based fundraising and philanthropy.