If we don't like rent control, we ought to oppose it on political and social grounds - and not just by arguing that, thanks to smartphones and social networks, we can create new, more efficient markets for matching short-term renters with tenants.

If China's expansion into Africa and Russia's into Latin America and the former Soviet Union are any indication, Silicon Valley's ability to expand globally will be severely limited, if only because Beijing and Moscow have no qualms about blending politics and business.

If we don't like rent control, we ought to oppose it on political and social grounds - and not just by arguing that, thanks to smartphones and social networks, we can create new, more efficient markets for matching short-term renters with tenants.

The Internet can empower groups whose aims are in fact antithetical to democracy.

When someone at the State Department proclaims Facebook to be the most organic tool for promoting democracy the world has ever seen - that's a direct quote - it may help in the short run by getting more people onto Facebook by making it more popular with dissidents.

I don't think love for technology itself breeds change.

Someone ought to publish a book about the doomsayers who keep publishing books about the end of publishing.