WHAT: Break down an experience -- something you've done or want to see others do -- or a topic into actionable steps so that other people can learn from and do the same thing. Writing the experience is intended to be as simple as posting updates to Facebook and Twitter (though Mightybell offers a detailed guide).
Like other social networks, people can follow an experience. Followers check off each step as they go, at which point they are prompted to share their achievement on Facebook or Twitter and indicate how they felt about that step. They can publicly comment on advice and share their own, as well as see the progress of their fellow followers. Experience "creators" can see metrics on their followers such as conversion rates.
Experiences can be anything, including travel planning, career guides, recipes and rules for success. Available as iPhone app.
LAUNCHER: Gina Bianchini, CEO, co-founded Ning in 2005 and was an entrepreneur-in-residence at Andreessen Horowitz just prior to founding Mightybell last fall.
WHY: A big goal is easier to take on when it's a series of small steps. Other types of online content, including how-to videos, don't always break things down or explain how smaller steps lead to the end goal. People like to share their expertise. Lots of ways to have online conversations but no great way to translate those conversations into better experiences in real life.
WHEN/WHERE: Limited beta Sept. 8, 2011 / Palo Alto. Company founded October 2010.
BACKSTORY: Gina didn't have an "aha" moment. Rather, the idea for Mightybell unfolded much like...
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1:03 PM PDT Fri, Sep 9, 2011 
[ Carol Bartz just after she became Yahoo CEO. Photo by Yahoo social media team via creative commons license. ]
