The first stage: the internet as small conversation
In its early years, much of the internet felt like a series of small conversations: forums, chat rooms, mailing lists. The number of people online at the same time was relatively small, and producing content, even a simple message, required actually being there, typing, in that moment.
In that stage, the chance that a message didn't come from a real person was almost anecdotal. Simple programs that imitated conversation did exist, but they were easy to spot and made up a tiny share of overall activity.
The second stage: scale changes the nature of the problem
With the arrival of massive social networks and systems capable of automating posts, comments, and interactions at scale, a new phenomenon appeared: automated accounts, content farms, coordinated activity designed to look spontaneous and human without being either.
In this stage, the question 'did a person write this?' started to make everyday sense for the first time, though still limited to certain contexts: advertising, trend manipulation, spam. Most of the content we interacted with day to day remained, reasonably reliably, human.
The third stage: when quality caught up with scale
The stage we're in now combines two things that used to be incompatible: the ability to produce content at massive scale, inherited from the previous stage, with a quality and coherence that used to require a person actually devoting real time to the task.
That combination is what changes everything. We're no longer talking only about spam that's easy to spot, but about text, images, voices, and videos that, without extra help, can be indistinguishable from genuine human production for most people in most contexts.
What stays the same, despite it all
Despite these enormous changes, one thing remains notably stable: the human desire to talk to another person, to feel heard, to share an experience with someone who either lived it too or is at least genuinely present to listen. That desire didn't change with the technology; if anything, it became more visible by contrast.
Maybe that's the most important lesson from this brief historical walk: technology radically changes what's possible to manufacture, but it hasn't changed, at least not yet, what people still need to feel when talking to someone else.