Quora is not limited to technical Q&A. Also, it allows people to put things like "3x SEO EXPERT CHIEF VP FOUNDER" next to their name. Lesser Q&A sites (and BB

Quora is not limited to technical Q&A. Also, it allows people to put things like "3x SEO EXPERT CHIEF VP FOUNDER" next to their name. Lesser Q&A sites (and BBSes in general) do not implement this feature.