How can we emphasize 21st Century Skills?

President Obama recently stated, "The solution to low test scores is not lower standards; it's tougher, clearer standards," he argued.

At the same time, however, he urged states to develop standards "that don't simply measure whether students can fill in a bubble on a test but whether they possess 21st century skills like problem-solving and critical thinking, entrepreneurship and creativity."

How do you think we as educators can emphasize 21st Century Skills?