Final answer:
Cell phones have changed a lot over time, particularly with the introduction of the first iPhone in 2007.
Step-by-step explanation:
The most important statement to include when retelling this article is Cell phones have changed a lot over time. Before the release of the first iPhone in 2007, internet access was mainly through personal computers. The iPhone revolutionized the cell phone industry by introducing a touch-screen interface and wireless internet connectivity. This led to the widespread adoption of smartphones, changing people's relationships with their phones.