Gadgets are a big leap in the JIRA reporting feature! The fact that JIRA is now an OpenSocial container lets its user add useful Gadgets, both JIRA's own and third-party, into its dashboard. At the same time gadgets written for JIRA can be added in other containers like iGoogle, Gmail etc!
Let us have a look at writing a very simple gadget, one that says 'Hello from JTricks'. By keeping the content simple, it will let us concentrate more on writing the gadget!