The text discusses how Software as a Service (SaaS) companies are leveraging realtime technology to meet the growing expectations of users for immediate, personalized interactions. It explains that by 2025, one-third of all data produced globally will be realtime, and SaaS companies need to adapt their products accordingly. The text also introduces the concept of "Realtime Snowball Effect," which involves adopting, optimizing, and accelerating realtime technology in a company's operations. It highlights how externalizing realtime expertise can lead to significant benefits for both product development and overall user experience. Finally, it emphasizes the importance of investing in realtime infrastructure now to meet future user expectations.