Yes, technology is affecting our focus. According to Cal Newport, the ability to focus is the new IQ in our modern knowledge economy. The ability to put sustained attention is what's going to become the scarce ability that creates a lot of value. However, technology can be a huge strain on our attention, especially when it has been designed or incidentally becomes a huge strain on our attention. Context switching is what kills our focus, and it can take up to 15 minutes for the human brain to change its attention from one thing to another. Checking our inbox or Slack channel creates a cognitive pile-up that is exhausting and affects our ability to focus.