Each user can organize friends into categories and limit which group sees which parts of his profile.

CNN: How Google+ compares to Facebook

The stealth campaign to limit the group's exposure has helped make "Random Access Memories" one of the most hotly anticipated releases of 2013.

WSJ: Daft Punk's Stealth Start for a Summer Hit

There are, however, no universally accepted definition and many public pension plans and other institutional investors have their own views on what constitutes an emerging manager and whether to limit this group to those firms controlled by historically under-represented communities.

FORBES: 10 Questions To Ask Before Investing With An Emerging Manager