These top four challenges, if left unsolved, can result in organizations that are slow to create change, projects that are harder to automate, increased tunnel vision among internal organizations, business risk and higher costs of IT operations.

FORBES: Big Data: Big Hype?

If you like your mysteries unsolved, you can even take the Finnish tour.

FORBES: Guilty Landscapes: Oxford, Ystad, Amsterdam and Sodermalm

If so, and if the juridical problems remain unsolved, then the Net would make a big dent in sales taxes.

ECONOMIST: Taxes slip through the Net

Unsolved homicides are being checked, too, to determine if Keyes was in the area at the time.

WSJ: Trying to unlock secrets of dead serial killer

Even if the European Central Bank goes to zero, the debt problem of governments remains unsolved.

FORBES: Market Holds Breath Ahead Of European Summit

Police in Northumbria responded by reviewing the evidence from all unsolved rapes and sexual assaults committed as far back as the mid-1980s to see if advances in science could help.

BBC: NEWS | UK | England | Tyne/Wear | Cold cases solved by Phoenix