I found this brief article about how the Church of England is using Twitter to urge acts of kindness. Here’s the quote from the article, found over at NewsBlaze.com, by Robert Paul Reyes:
“The Church of England is embracing the latest technology as it urges the online community to mark Lent with ‘simple acts of generosity and thoughtfulness in the real world’. Church leaders will use the social networking site Twitter and a new Facebook application to encourage people to share their top tips for helping each other.
Suggested acts of kindness will include donating unwanted clothes and toys to a charity shop, writing to an MP about a global poverty issue, or giving away a home-made gift.” The Press Association

As best I can tell, the ONLY way to use the directory is to search by a tag you think a person you’re looking for might be using, if they’re even listed on the service. You can’t search for a person’s name (to me, the most logical search option) even if they are in the directory.