Adobe, the company behind Photoshop, recently unveiled prototype software that un-blurs blurry photos. The program analyzes how a camera shook while a photo was being taken, and then figures out what the picture would have looked like if the camera were held steady. The software then enhances the photo.

As part of his fight to raise taxes on the wealthy, billionaire Warren Buffett released details of his taxes in a letter to a Republican congressman. Last year, he earned $63 million and paid less than $7 million in federal income tax — making his effective tax rate about 17 percent. The Wall Street Journal urged Buffett to publish his complete return. To which Buffett responded that he would be happy to do so, the next morning, if its boss, Rupert Murdoch, would do the same.

The Occupy Wall Street movement has sprung up in scores of U.S. cities over the past month. The size of the demonstrations have varied depending on the day and who showed up. But in Boston, protesters have used their own freewheeling version of democracy to organize a village — one they're not planning to abandon anytime soon.

Congress approved free trade agreements with South Korea, Colombia and Panama Wednesday night. They represent the biggest trade pacts since the passage of the North American Free Trade Agreement. President Obama has promised to sign them into law. Supporters say the pacts will open new markets to U.S. companies, but others say they will hurt industries already weakened by imports.

Italian Prime Minister Silvio Berlusconi is fighting for the survival of his center-right government as he goes before parliament for a vote of confidence Friday. He faces growing discontent within his own party over his personal lifestyle and judicial woes. The test comes as Italy is increasingly engulfed in the eurozone debt crisis.

U.S. banks have become cautious about lending to European banks, and money markets are pulling out. But there are other, indirect ways Europe's problems bounce back, making it hard to quantify the threat to the U.S. financial system.

Apple's new smartphone, the iPhone 4S, lands in stores Friday, armed with a voice assistant and a new camera. One of the new iPhone's biggest rivals will be the Motorola Bionic, which runs on Google's Android operating system. Both phones are very capable, and very fast, says Rich Jaroslovsky.