I get the impulse to recover a more democratic online world compared to the top-down dictates of Silicon Valley. But in seeking a more humane tech future, nostalgia is more hindrance than help; the alternatives will need to be legible to new generations weaned on social-media feeds.

The transition to smartphones and tablets, which made digital media a constant presence in our lives and our default media environment, has occurred only over the last decade. In other words, only recently has the Digital City begun to manifest itself in the public spaces that have been hitherto ordered by the priorities and sensibilities of the... See more