AI/bots visitors/friends like the Sims.
There would be a way to meet randomly generated 'strangers' who you can choose to start communication with, then you can invite them round and grant them permission to come and go when they please. (obviously you can revoke this if they annoy you).
It would make your home less lonley as when you drop in, you'll see your companion(s) hanging out playing with your toys and gadgets, stairing at the lovely views and potentially say hello to you and have some basic conversation:
"Oh, I see you have <insert game name here>, I've always wanted to play that!"
"The view from here is amazing, I wish my place was as nice as this"
"I'd love to hone my shooting skills. I just need a target range..."