The Google algorithm was a significant development. I've had thank-you emails from people whose lives have been saved by information on a medical website or who have found the love of their life on a dating website.
I think feminism's a bit misinterpreted. It was about casting off all gender roles. There's nothing wrong with a man holding a door open for a girl. But we sort of threw away all the rules so everybody's confused. And dating becomes a sloppy uncomfortable unpleasant thing.