Walking the path of a tornado on Twitter: bit.ly/113nwJq #tornadowalk

Why Social Media is the New Face of Disaster Response: bit.ly/13GbyL5

How Twitter Saved One Man's Life: huff.to/ZUBroK (cc @hardlynormal)

The World Health Organization (@WHO) will begin posting #H7N9 flu case updates to @twitter first, web second. bit.ly/ZxYpyG

A big Twitter welcome to @billclinton, 42nd President of the United States and founder of the @ClintonFdn!

How One Los Angeles Woman Fights Crime with Twitter: on.mash.to/ZlIwyu

How Zambian teens are using Twitter to stop violence against women: bit.ly/ZhzVwL

We've provided the City of Boston the Promoted Trend today free of charge through Twitter Ads for Good. Learn more: bit.ly/171q0O9

How @twestival uses social media to raise money for global causes: tnw.co/10ZAN9b

How #givingtuesday is creating social change online: bit.ly/YReCSp

How @charitywater drives Twitter traffic to help bring clean water to many: bit.ly/YQH5rn

Twitter marketing tips from @charitywater: bit.ly/XVAh8F

How Tweets provide early warnings of earthquakes: bit.ly/13Fmlqd

Has your nonprofit applied to the Twitter Ads for Good program yet? bit.ly/14qNtF2

Twitter becomes a tool for tracking flu epidemics & public health issues: wapo.st/14mGH3n

Using social media in the face of natural disasters: bit.ly/YCx8NO

Tweeting progress, from deep inside Haiti: bit.ly/YCtiUQ

Are you a nonprofit organization using @vineapp in a unique way to tell your story? Tell us how!

Social influencers who are changing the world through Twitter: bit.ly/11bqZvV (cc @witnessorg)

Nonprofits get creative with social media: bit.ly/UBaGTP