"In general, [Flex 2] fixes many of the current issues with the Web," by providing capabilities such as the pushing of data, said Maling.

Flex features all the bells and whistles of contemporary rich Internet application development, according to Adobe. "You have rich media such as audio and video [that] can be incorporated into the apps and you also have collaborative data exchange," Whatcott said.

"The end user experience surpasses traditional Web applications. You have no page refreshes, you have rich data visualization," he said.

AJAX can work with Flex, Whatcott said.

"We don't believe that AJAX has to fail for Flex to succeed," said Whatcott. The two technologies fit together "like peanut butter and jelly," he said. An AJAX developer, for example, might use Flex to add charting and graphing to an application, Whatcott said.