When Twitter Saves the Day · Global Voices
Solana Larsen

Carjacking victim in South Africa rescued with a tweet. One of many inspiring stories from #Twitterstories
Twitter is collecting life-changing and inspirational stories of Twitter use on a Twitter Stories page launched in November 2011. One recent story describes how Twitter was used to help rescue the victim of a carjacking in South Africa, another how a tweet helped a man find a kidney donor.
You can use the hashtag #Twitterstories highlight other examples.
The photo above is  by Twitter.