WorldChanging ally W. David Stephenson has an amusing and thought-provoking article up at his blog, comparing the choice made by Lego to open up the process of developing its next-generation Mindstorms kit with the choice made by the US Department of Homeland Security to keep information limited and access to decision-makers restricted. It's a mildly tongue-in-cheek post, but it makes some excellent points that map to our earlier posts about useful approaches for building worldchanging systems:

...what are the lessons for DHS from the Lego Mindstorms experience?

David adds useful detail to each of these points.

Lego is an excellent example of a long-standing institution that was able to actively and consciously change its approach to working with its broad community of interested stakeholders.