However, out there on the cutting edge, innovative urban planners, policy-makers, social entrepreneurs and impact investors are advancing the development of natural or green infrastructure (GI).

FORBES: Smart Communities will Build Green Infrastructure

For a company whose image has grown staid in recent years--its mainstay is still printers and computers and the company largely missed out on the first big Internet wave--HP is trying to get back on the cutting edge track.

FORBES: Magazine Article

Banning out-of-school assignments would put France on the cutting edge of pedagogical fashion, though it wouldn't be entirely unprecedented.

WSJ: Review & Outlook: France to Ban Homework. Really.

From the mom-and-pop storefront shops to the high-tech startups that keep America on the cutting edge, small businesses create two out of every three new private-sector jobs in America.

WHITEHOUSE: Our Top Stories

Every new launch offers users new capabilities, causing the most loyal of fans to rush out and replace their, now old, technology with the latest offering, so they can remain on the cutting edge of technology with the latest and greatest Apple gadget.

FORBES: 5 Things People Buy Because Of Peer Pressure