This is a pretty good article about resume trends to AVOID. My thoughts about the article follow this enormous button:
#3: Of course add your Linkedin profile URL as the last line of your contact info section, ideally a URL you have changed to something more friendly. Ask me for my worksheet showing you how to change your LinkedIn URL.
For the record, I intentionally skipped commenting on #1 and #2. Nothing to add to or contradict in these points.
#4 When you need to upload your resume to apply for a job, best