Going public is not always the best choice for a company and does not guarantee success. The speaker will discuss his experience taking the company Viadeo public on the Paris stock exchange. Going public requires disclosing private company information and finances, takes significant time and money, and can create pressure to focus on short-term earnings over long-term investments. It may not provide liquidity or protection from takeovers. Key factors for success include revenue, profitability, predictability, and share liquidity.