Needless to say, they decided to scrap that plan and build the puzzle mechanics of Portal 2 with the same basic mechanic as the original and layer new mechanics on top.

FORBES: Portal 2 Originally Didn't Have Portals

Germany's decision to scrap all nuclear power and build more coal-fired power stations can only boost production further.

BBC: Coal resurgence calls undermine clean energy commitments

The combined effect doesn't just simplify repairs and upgrades -- it lets companies build the exact servers they need without having to scrap other crucial elements in the process.

ENGADGET