Haiti: Twitter, texting, and Micropayments

Click on the post title for a good survey of how SNs and mobile payments are shaping the relief efforts in Haiti.

"Biologists have figured out the most efficient way to destroy an ecosystem — and it’s based on the Google search algorithm."

Yes, the Google PageRank algorithm, that most-prominent example of a test of eigenvector centraility, is being used to determine which species of plants and animals are crucial to the survival of large ecosystems, eventually for all human life.

Click on the post title above to see the article in Wired, and if you don't remember what eigenvector centrality is, review your notes from the course. Isn't it about time to do that, anyway?

See you in a few weeks,
Prof. Tunnard

The power of crowdsourcing

Interesting article in December's HBR about networking and the benefit of Enterprise 2.0 tools. See the link in the title.