Dystopian visions of the future explore the power of virtual communities.
A new vaccine targeting malaria toxin could prevent one of the world's deadliest diseases.
According to the author, oil pipelines with low tech-or no tech-surveillance technologies are another example of digital divide.
Hungry for eyeballs, museums go high tech-and face a rogue's gallery of costs and costly mistakes.
Moving characters from books to films to video games can make them stronger and more compelling.