The programs support both of the rebalancing methods you describe and also provide many more features for advisors to customize their investment advice.

FORBES: Choices in Portfolio Rebalancing

It joins other account-recovery features such as the ubiquitous "forgot my password" and security questions, as well as less conventional methods, like identifying friends' faces in pictures or recovering passwords via text message.

CNN: Mark Milian,

The Stanford design approach has two striking features in that it sacrifices virtually none of CNTs' energy efficiency and it is also compatible with existing fabrication methods and infrastructure, pushing the technology a significant step toward commercialization.

ENGADGET: Stanford engineers find work around for barriers to carbon nanotube computers