Jack Smith, a clever entrepreneur and co-founder of Vungle, shares his journey from childhood antics—like selling prank itching powder—to launching successful startups. He reveals the clever 'LinkedIn Hack' that secured him a $120k investment and discusses the challenges of fundraising at just 20. Jack emphasizes the power of creativity in marketing and networking, illustrating how innovative approaches can lead to substantial opportunities. His insights on navigating the startup landscape offer valuable lessons for aspiring entrepreneurs.