Originally, when the developers were trying to figure out how to build on the massive success of Portal 1, the developers wanted to do so with a pretty radical approach.

FORBES: Portal 2 Originally Didn't Have Portals

The other note of trouble is Mr. Obama's decision, also announced yesterday, to treat as legally binding part of a radical 1977 revision to the 1949 Geneva Conventions known as Article 75 of Additional Protocol 1.

WSJ: Review & Outlook: Obama Ratifies Bush

Nearly free, call-and-install, 1.5-megabit-per-second bandwidth to home offices and handhelds would be radical.

FORBES: Digital Rules