LI Posts and Getting a Job

A lot of job seekers(#opentowork) are posting consistently on LinkedIn. Has writing and leading with voice, opinion helped land a job successfully?

Does it help get in view of hiring manager and recruiters.

If you are a job-seeker, has it helped you find the ideal job that you were looking for?

If you are a hiring manager/company placing candidates, do posts from candidates influence to know more about the candidate?