The applicability of NLP/NLU/GPT is reasonably obvious (though, as you note, not easy), but what's the social-graph angle? Do you mean the ability to subscribe/

The applicability of NLP/NLU/GPT is reasonably obvious (though, as you note, not easy), but what's the social-graph angle? Do you mean the ability to subscribe/follow other users, or something else? Anyway, plans not so grand, really,you can feel free to insert the qualifier "toy" at various points. I wouldn't count on the results of any of these (should I get them to a working state) being actually useful to me, much less anyone else.