Remember Replika and how people got quite attached to that chatbot?

I imagine in the near future you'll be able to sell your and your friends' chat history to a company building a more advanced, realistic chatbot. Do you want to have a group of friends to hang out with? Buy an organically fabricated and pre-trained chatbot.

Or maybe there's enough emptieness in your life that you go deep assume one of those friends' identity. Go visit that restaurant "you" always adored; the other guys will not come but will send you hilarious messages saying how they got delayed and tips on what to order.

This feels like something right out of Philip K Dick -- both Blade Runner and Total Recall had realistic false memories.