After you have validated then your licence may automatically unlock various functions. Below are some examples:

 

Show above is the upgrade message that unlocks all the features to the current version.

 

Shown above is the upgrade message that unlocks 'Hebrew' text entry.

 

Shown above is the upgrade that enables preview mode.  The administrator can turn this on or off for each of their users.

 

Show above is the 'secret' exclusive Easter egg upgrade.  By completing the secret task (see the text pointed to by the red arrow) you will given a surprise Easter egg!   No you will not be sent a chocolate egg,  rather  it will unlock a useful and hidden feature within ReportComplete.

 

See Wikipedia for more information about Easter eggs in programs.