Final answer:
The central theme of 'The Tell-Tale Bacteria' and 'Cell Phone Tattlers' is the impact of technology on personal privacy, emphasizing how devices influence our behavior and societal norms.
Step-by-step explanation:
The central idea of both "The Tell-Tale Bacteria" and "Cell Phone Tattlers" is a) The impact of technology on personal privacy. These texts explore how technology influences our lives, often without our full awareness. As we integrate devices like cell phones and tablets into our daily routines, they begin to shape our social norms and even our health. We find ourselves incessantly checking for messages or updates, reflecting a dependency that skirts the line between convenience and intrusion. This constant connectivity has consequences for our ability to disconnect from work, grant undivided attention to others, and manage our privacy. Through these narratives, we're made aware of the subtle yet significant ways technological advancements have reshaped our interactions, behaviors, and societal expectations.