Cracking the Mystery of Modern Wealth

Say you're seriously rich, perhaps sublimely rich. Have you lost track of exactly what you own and what it's worth? Are you prepared to pay $50,000 or more to find out?

See Wealth Managers Enlist Spy Tools to Map Portfolios.

Note: when it comes to derivatives, private equity, venture capital, collectibles and other alternative assets, "exactly" can be a relative term.