Display Google search results from within Firefox address bar
Ryan of CyberNet enhanced Searchery Firefox add-on so that one can instantly see the results of Google web searches using the keyword system.
The way it works is: Say you want to search in Google for “free data recovery software”, you type the keyword associated with Google search followed by your search term and then wait for a second or so and the results will show up. You can go to your desired result either in the same tab or in a new tab (by navigating to and pressing Alt+Enter).
The add-on supports all these: Google search, Google Local search, Google Video Search, Google Image search (as pointed out in the extension’s page, this is not so useful since it doesn’t show the images or their thumbs), Google Blog search, Google Book search, Google Patent search and Wikipedia search.

One extra feature that Identi.ca has that Twitter currently doesn’t is Instant Messenger support. Not only can you be notified via your GTalk or Yahoo! Messenger or a Jabber client, but also post your updates from within IM clients. For that you have to first add 

