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President Obama's social media team unleashed a torrent of tweets today, specifically calling out Republicans opposing his debt ceiling plan.

In California, Latinos and African-Americans simply are not buying electric cars. It's time for some new marketing. The Prius is an emblem of the environmentally aware upper middle class, and at this point, electric vehicle purchases are mostly limited to early adopters who have the cash to experiment with an entirely new kind of vehicle.

Google launched a new service on Thursday that can automatically speed up a website's page load times. That's a good thing, as separate studies from Google and Aberdeen Group have shown faster-loading sites boost customer satisfaction and ad revenue.

Today, document-sharing service Scribd, the world's largest social publishing site with more than 75 million monthly readers, launched Float, an iPhone and web content-reading app that's taking aim at the likes of Pulse, Flipboard, and Instapaper. Like those popular apps, Float enables users to read content from a varity of sources--such as Float's 150 publishing partners, which include AP, Scientific America, and yes, Fast Company--and access the content in one centralized reading platform.

KickStart has introduced an innovative layaway program to African farmers so they can invest in low-cost irrigation pumps. Microfinance , the Nobel Prize-winning initiative to turn aspiring third-world entrepreneurs into self-sustaining CEOs, has long been the only game in town when it comes to offering developing world entrepreneurs a viable and sustainable form of funding. But other financial instruments may work just as well--if not better--at supplying small farmers around the world with capital and a path out of poverty

Adobe Buys Echosign . Desperately keen to preserve its flagship PDF format in a complex and changing online world, Adobe has bought "the premier electronic signature provider" to enhance PDF security with automated secure signatures and form-filling for advanced digital contract drawing-up. The PDF is not going anywhere yet..

Biofuels are taking off, but if they keep being made from corn, the world will go hungry. The oceans, full of fast-growing kelp, are the next frontier of plant-based fuel.

Many major cities have seen a decline in driving over the past few years.

U.S. nukes are safe! As they can be...

Now that we've sequenced human DNA, we move on to our six-legged friends, whose genes might yield important and lucrative discoveries in many fields. The Human Genome Project was a $3.8 billion undertaking that has so far yielded over $800 billion in economic output.

You’ve taken the plunge and invested in an iPad. Like millions of others, you love it. It's light and keeps a remarkable 10-hour charge

If you have to ask... Companies are required to submit to the EPA all studies about substantial risk that their chemicals pose to humans

"We were blown away by the potential of this technology for the graphic novel," Disney creative director Nashie Castro tells us. The roughly $680 million comic book and graphic novel industry is still heavily reliant on sales and advertising from print--unlike its fellow publishers in the newspaper and magazine worlds, where the transition to digital is farther along

The simplest way to cut down on energy use isn't to build millions of brand-new LEED-certified buildings; it's to convince people to make changes themselves.

Coal Cares was just a parody of what it would look like if the coal industry targeted kids. But the coal industry's actual marketing to children, (with an assist from Scholastic), is much more insidious.