You may be familiar with one our older posts about Rapportive. Since then LinkedIn has taken Rapportive under there wing to give a new design and features.
You use Sales Navigator everytime you send an email giving you an in-depth LinkedIn profile data about your contact in Gmail. This plugin works on Google Chrome and Firefox web browsers and is available in a free (Lite) and paid (Premium) version. The free version of Sales Navigator will let you:
The paid for version of Sales Navigator it will unlock additional features like:
If you want to add Sales Navigator for Gmail you can install it right here.