You already know the old way doesn't work anymore. Message everyone. Follow up relentlessly. Post the same company graphics as everyone else on your team.
What nobody tells you is what to do instead — practically, this week, with the time and budget you actually have. So most people either keep chasing friends until the friends stop replying, or they buy a S$2,000 course that assumes they already have an audience.
The Playbook is the middle path: the whole system, written for someone starting from zero.