Originally published on June 10, 2008

If you're like most of us, you probably have a LinkedIn profile and a slew of (or at least some) connections there. But are you leveraging LinkedIn to the best of its abilities, as both a marketing tool and career resource?

If you aren't sure, you aren't alone. Indeed, many of the 16+ million people who have signed up on LinkedIn are probably asking "now what???" says Jason Alba, who wrote the aptly titled, "I'm On LinkedIn, Now What?"

Alba experienced firsthand the difficulties of conducting a job search after a corporate downsizing in 2006. Drawing on his computer-software and IT experience, Jason analyzed the job search process and developed JibberJobber.com to assist others on the hunt. Eventually, he started to look at the various social-networking tools, including LinkedIn, with an eye on how they can similarly help professionals.

Recently, Jason Alba presented a virtual seminar for MarketingProfs about how marketers can use LinkedIn to enhance personal brands, help with research, and secure access to new networks. Here's some of the 22 keys he covered.

Q: What are a few good strategies to use to grow your network on LinkedIn?