These strategies may be enough to crack many of the most common codes - and perhaps even some of the more obscure ones.

Many instruments are taught, including obscure ones such as the didgeridoo.

Ooh it's a good one, there's some really obscure ones!

Under this plan some agencies, usually the more obscure ones, must operate on shrinking budgets so that others may grow.

Sometimes you had to let the really obscure ones go.

Internet piracy is increasingly a problem for bestselling authors, but may benefit obscure ones.

It's actually really easy to link any two actors together, usually in less than six steps, unless you're picking deliberately obscure ones.

Not one of your obscure ones are they?

Some famous people appear in the diary, but the obscure ones easily outshine them.

But we're talking about prominent individuals as well as obscure ones.