question: Describe the evolution of smartphone technology over the past two decades in 8 sentences. Each sentence should contain the letter 't' at least 5 times. Make sure to end your response with the phrase 'Tech revolution complete!'
answer: In the early 2000s, smartphones transformed from basic communication tools to multifunctional devices. Touchscreen technology started to replace tactile keyboards, granting users more seamless interaction. By the mid-2010s, smartphones integrated features like high-quality cameras, making them essential for capturing and sharing moments instantly. The transition to 4G networks allowed mobile internet to be faster, supporting streaming and real-time connectivity.
  
  App stores proliferated, letting users tailor their devices with countless applications tailored to their tastes and needs. Security technology also advanced, with biometric authentication becoming a standard feature to protect user data. As the 2020s arrived, 5G technology further increased data transfer rates, enabling futuristic possibilities like augmented reality and IoT integration. Today, smartphones sit at the center of our tech-driven lifestyles, connecting every aspect of our daily routines. Tech revolution complete!