LinkedIn is primarily about connecting with other people in your professional network, but the site also allows you to follow a particular company. It's a handy feature for job seekers.
"Just as you can follow companies on Twitter, you can also follow them on LinkedIn," says Brad Schepp, co-author with his wife of the book "How to Find a Job on LinkedIn, Facebook, Twitter and Google+." "Click on the 'Companies' link from your home page, and enter a keyword to track down companies of interest. Once you get to a company's overview page, click on the 'Follow' company button on the right-hand side of the page."
If you follow a company on LinkedIn, you'll receive updates from that company, including job openings. Sometimes those listings can come out far ahead of postings elsewhere. Even without advance notice, Schepp says following a company demonstrates interest and helps you figure out if you know anyone with connections there.