Instagram took 2.5 years to reach 100 million users, TikTok 9 months, and ChatGPT just 60 days. This rapid growth highlights ChatGPT's incredible popularity and potential as the fastest-growing and most addictive software product ever. ChatGPT is the most addictive software product ever. Its impressive user engagement showcases AI's transformative impact on digital interactions, says Arin Verma.