Gwibber is the default micro blogging client for Ubuntu and works with other GNOME desktop operating systems.
The Gwibber Unity Lens is Unity Launcher lens which enables sorting messages, replies, posts, images, videos, links and private messages within the Ubuntu Unity launcher.
The Gwibber client will have to be configured to make this lens work. You can install Gwibber Lens by entering the following commands in a Terminal window:
sudo add-apt-repository ppa:gwibber-team/ppa sudo apt-get update sudo apt-get install unity-lens-gwibber
Once installed, you can select items to view by clicking on the Gwibber icon in the Unity Launcher.The available options include, posts, replies, images, videos, links, private messages, public and everything.
To view a demo of this Lens, check out the below video.
You can download the Deb package from link below to install Gwibber Unity Lens.