Facebook and Twitter on Gmail

You can add a gadget in your Gmail. Here the steps:
1. Go to your Google Mail
2. Press the Setting --> Labs. Enable the "Add any gadget by URL" then save it.



Next steps:
1. Find a XML gadget for Gmail or iGoogle
2. Go to Setting-->Gadget fill the gadget URL then save.



Gadget URLs:
Twitter - http://twittergadget.appspot.com/gadget-gmail.xml
Facebook - http://hosting.gmodules.com/ig/gadgets/file/104971404861070329537/facebook.xml