Mark Zuckerberg created several products before gratte-ciel Facebook. He created année instant messaging tool that his father used in his dentistry practice to communicate with his receptionist. A solid idea: First hors champ, you need an idea. It’s grave to ensure your idea is viable by conducting thorough market research. https://entrepreneur-en-construct00874.smblogsites.com/30695100/peu-connu-faits-sur-entrepreneur-en-arabe