Why are so many technology companies worth billions?

Technology companies today are worth billions because they're continuously innovating and providing solutions that are integrated into every aspect of our lives. Their products and services, from social media to cloud computing, have become necessities, creating a massive user base and resulting in high revenue streams. Plus, the data they gather is a gold mine for targeted advertising, another revenue booster. The potential for growth and expansion also attracts heavy investment. In essence, their value lies in their innovation, indispensability, and potential for future growth.