Technological advances are significant and can bring huge benefits, but only as long as you understand that they can advise, augment, and support, but not replace, you.
The web transformed the role of knowledge by making it instantly available but not inherently reliable.
The combined human and computing clouds will drive our core KM processes of search, collaboration, and discovery to new heights.
Out of the mix of commercial greed, politics, and genuine desires to make the world better, we'll try many ways to "fix" social media. But I think it may take a couple of generations, affected by what we do, for us to begin to agree about what's right and wrong.