[aglionby]

Depends on your audience, but I imagine many find the answer boxes on Google search pretty useful. Getting the population of a city without having to click any links is probably good for your perceived value. For this you need some NLP tech to extract intent from the query and match it to the right entity in their knowledge graph (in addition to something to help you build the graph in the first place).

Google have a blog post from October last year with some more complex examples of where more sophisticated NLP helps https://www.blog.google/products/search/search-language-unde...