That's why I'm just some schmuck posting on HN, and Google are the ones with the globe-spanning enterprise - because they're better at finding answers to tricky

That's why I'm just some schmuck posting on HN, and Google are the ones with the globe-spanning enterprise - because they're better at finding answers to tricky questions like that than I am. If I had to guess, I'd say "use the name attached to the circle with fewer members", because I imagine a lot of people will have a few big circles for reading by content, and a number of small circles that represent their actual social circles.