In that case, though, a market adage, and my adaptation of an often-repeated tip, should come in handy, even in the Twitter age: Before acting on uncertain information, "buyer beware, " and "don't trust, verify".

WSJ: Current Account: Capital Market Tech Snags Grow Alarmingly Frequent

Injecting so much uncertain genetic information into the doctor-patient relationship could create legions of "patients in waiting" leading to unnecessary tests, harmful outcomes and lifelong anxiety.

WSJ: Should Healthy People Have Their Genomes Sequenced?

But most business information is uncertain most of the time.

FORBES: Magazine Article

Without sound clinical oversight most people will be left in charge of a significant amount of information of uncertain significance and little direction as to where to go for reliable interpretation.

BBC: 'Protect consumers from gene tests'

That is, while we know one piece of information we are uncertain about another.

FORBES: Facebook Slumps As Lock In Expires: Shouldn't The EMH Have Prevented This?

Shibulal warned Friday of an uncertain global economy impacting the information-technology industry.

WSJ: Infosys Shares Plunge on Weak Results

Mr. Shibulal, an Infosys founder and its CEO since August 2011, said the uncertain global economy posed challenges for the information-technology industry, and not just his company.

WSJ: Infosys Shares Plunge on Results, Outlook

Businesses, states, and local governments sometimes identify new types of computer viruses or other cyber threats or incidents, but they are uncertain about whether they can share this information with the Federal Government.

WHITEHOUSE: FACT SHEET: Cybersecurity Legislative Proposal

Choosing whom to invest alongside is particularly important in the uncertain world of venture capital, where many deals are syndicated, in order to share risk and information.

ECONOMIST: Choosing co-investors