Esther Dyson is a long-time catalyst of start-ups in information technology in the US and other markets, including Russia. Since selling her company, EDventure Holdings, to CNET Networks in 2004, she has taken on newer challenges in private aviation and space as well as in health care (as a director of 23andMe, a consumer genetics company). Her IT investments have included Flickr and del.icio.us (both sold to Yahoo!), and Medstory (sold to Microsoft), as well as Meetup Inc., Eventful.com, Boxbe and Voxiva; She sits on the boards of the latter four companies. She is also an active investor in air and space, with holdings in Space Adventures and Zero-G Corporation, as well as XCOR Aerospace, Constellation Services International, Coastal Technologies Group, Dopplr.com, Airship Ventures and Icon Aircraft. She operates her business under the (reclaimed) name of EDventure Holdings.