In LinkedIn, you can share content with your groups. Specifically, if you find something on LinkedIn that you want to share with your groups, here's the process:
1) Click "Share" to open up a pop-up window
2) Deselect the option to "Post to updates"
3) Select the option to "Post to group(s)"
4) Type the name of the group(s)
5) Click "Share"
I want to automate the 4th step by having an iMacros script that automatically inserts a list of groups (which I should be able to define from an Excel document) when I run the script.