MSN at school or in the office
method 1: go on to or other similar sites if these are blocked try one of the 'get on any site' methods.
method 2: This one more complicated but will probably work
Step 1 go to then click on iGoogle (top right)
Step 2 on add stuff to this page box click on more stuff
Step 3 now search for meebo and click the one called 'meebo gadget'
Step 4 click add it now, then agree to the pop up message the 'click back to homepage' (top left) and you're good to go