World's smallest transistor

Despite its incredibly tiny size – a mere four billionths of a metre long – the quantum dot is a functioning electronic device, the world's first created deliberately by placing individual atoms.

Source: http://www.unsw.edu.au/news/pad/articles/2010/may/smallest_transistor_simmons.html

Flat light bulbs

AGFA-Gevaert NV and IMEC of Belgium, and Holst Center, Philips Research and TNO of the Netherlands announced that they have prototyped a 12 x 12cm flexible OLED lighting panel by using highly-conductive transparent resin electrodes in place of ITO (indium tin oxide).

Source

The Smart Grid

A smart grid delivers electricity from suppliers to consumers using digital technology to save energy, reduce cost and increase reliability.
Wikipedia

DOE's Introduction to the Smart Grid

Smart Grid News