Make a practice of regularly scanning the LinkedIn status updates of your network in order to keep an eye out for opportunities, expressions of interest or stated needs where you might be able to offer help. 
I note needs like:
Job candidates needed
Spread the word or re-post requests
Vendor resources requests, etc.
It’s a great way to practice pay-it-forward style networking and is something I see reciprocated more often than I ever expected. I use about 10-15 minutes each day to complete this worthwhile task.
Sandy Jones-Kaminski 