5 simple ways to make money on LinkedIn . getty. Your LinkedIn profile could be making money while you sleep. I'm not talking about sending spam messages or get-rich-quick schemes.

LinkedIn has come a long way since its launch in 2003. Back then, it was a simple idea—bringing professional networking online. It started small, with just 4,500 members in its first month, but ...

Optimized LinkedIn profiles are 40 times more likely to receive opportunities. But most people don't do this. Here's how to make your LinkedIn a lead-generating machine.