It could also spark a browser war, however, irritating corporate information-technology administrators who don't like the prospect of having to test and maintain competing browsers, says Tim Hickernell, associate lead research analyst with Info-Tech Research Group.

FORBES: The Web's Edge

An increase in start-up activity is a good sign for the overall national economy because it will lead to more employment opportunities in the near future, says Donna Kelley, the report's lead author and an associate professor of entrepreneurship at Babson College in Wellesley, Mass.

WSJ: Rise in Start-Ups Draws Doubters

"There are so many options for hysterectomies now that patients should discuss the pros and cons of all of them with their doctors, " said the study's lead author, Jason Wright, an associate professor of women's health at Columbia University.

WSJ: Study Raises Doubts Over Robotic Surgery