Ladar Levison describes (see embedded video) something of why he shut his encrypted email service. Most of it is heavily alluded to because of the draconian gagging orders he is under. From a digital literacy perspective I think this is important in helping people consider the access to information that they transmit across the Internet which may be available to others, especially governmental and quasi governmental bodies.
"You've all heard there's no such thing as bad publicity. On the internet this is doubly true. When you link to a website - regardless of the reason - this strengthens its position in search engines. This means that a bad review of a website makes it more popular.
When you are discussing or alerting others to a website that promotes a fraud, scam, cult or other questionable business and you link to that site, search engines will (after a while) improve the offending site's rank.
Therefore, more people will find these shady websites, and will be exposed to their content without getting the proper context.
That's where donotlink comes in.
With donotlink.com, you can link to sites without giving them "Google juice".
Using donotlink.com instead of linking to questionable websites directly will prevent your links from improving these websites' position in search engines."
Neoteny, one of my favorite words, means the retention of childlike attributes in adulthood: idealism, experimentation and wonder. In this new world, not only must we behave more like children, we also must teach the next generation to retain those attributes that will allow them to be world-changing, innovative adults who will help us reinvent the future.
A good set of resources on digital identity and footprints. The bits I've read / watched covered the 'how' of how you are tracked online so they explained the technology but weren't too technical.