In this episode of SciTech Now, new clues about the lost colony on Roanoke Island; the potential to restore vision to the blind; what our devices reveal about us; and a shared work space for artists and scientists.

As our mobile devices become more advance and ubiquitous, marketers are developing more targeted ways of reaching consumers. From GPS tracking to price customization, marketers are using data science to track consumer movement and behavior, raising more concerns about privacy.