I've found some valuable links these past couple weeks. Here they are for you in bite-sized chunks.

Demographics of Top Social Networks
Brian Chappell makes comparing demographics across social networks easier. The data is not perfect, but at least you can compare apples to apples.

Jeremiah Owyang gives his demographic report. His numbers seem to come from official press releases and traffic monitors like Comscore.

Quantcast is my favorite tool for comparing demographics. Here's Facebook and Twitter and Friendfeed. Unfortunately, LinkedIn seems to have disabled their Quantcast demographics. Boo.

Twitter
Just Tweet It provides a good list of non-profit leaders to follow on Twitter. You can add yourself to their directory, too.

Guy Kawasaki has some practical advice for organizations who are using Twitter. This is stuff you can really do.

CNN shows us how the Salvation Army is using Twitter and other social media tools to fight the economic slowdown.

Maggie McGary shares how she used Twitter to engage members at this year's ASHA Convention.

Email
Campaign Monitor shares these 2008 email design guidelines. A must-read for anyone running an email marketing program.

Fundraising
TweetsGiving is a simple, elegant fundraising solutions that leveraged Twitter, ChipIn and a great little homebase microsite to raise more than $10,000 for a classroom in Tanzania.

Originally posted @ Association Marketing Springboard