S3D writes "On 18 May 2004, Symbian, owner of the OS for high-end smartphones announced the formal launch of the Symbian Signed initiative for digitally signing and certifying Symbian applications that meet a set of test criteria. Gartner believes that Symbian Signed, in its current form, is a weak certification program oriented largely toward the needs of application publishers and network operators and may be inconvinient for developers. "
If you push the "extra ice" button on the soft drink vending machine, you won't
get any ice. If you push the "no ice" button, you'll get ice, but no cup.