Facebook has extended its fees for messaging model to the UK and elsewhere, specifically for messaging to people you do not know.

FORBES: Facebook Extends Charging For Messages. Great Move!

And now, the false-adversarial model is being extended to wireless.

FORBES: Still Burning Witches At The FCC

The syndication model of RSS extended as a metaphor through the Web and lives in the ubiquitous orange square (a graphical approach originally deployed in the Firefox browser) familiar to bloggers and podcasters everywhere.

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Internet ABC furthermore provides high quality educational materials for the classroom and a scalable, cross-cultural model that has been extended to Turkey and is applied to other countries as well.

UNESCO: MEDIA SERVICES

These join the luxury-oriented limited-production Tesla Model S all-electric and Fisker Karma extended-range electric sedans.

FORBES: The Hottest New Cars For 2013

In this model framework, existing ecological and biogeochemistry concepts are extended with a balanced approach for assessing nutrient and sediment delivery on the one hand, and nutrient in-stream retention on the other hand.

UNESCO: Intergovernmental Oceanographic Commission

The new PS3 will come in 3 models including extended built in Hard Disk Drive (HDD) capacity of 500GB model and 250GB model, and a newly added 12GB flash memory model initially for Europe only.

ENGADGET: Sony announces a slimmer PlayStation 3, 250GB bundle launches September 25th for $269

While this new model could explain Earth's relative lack of water, it shouldn't be extended to all newly forming planetary systems, researchers said.

MSN: Earth's hot formation may be reason behind water shortage