Earlier in the year I gave a talk at MongoDB London about the different aggregation options with MongoDB. The topic recently came up again in conversation at a user group, so I thought it deserved a blog post.

Gathering ideas for the talk

I wanted to give a more interesting aggregation talk than the standard “counting words in text”, and as the aggregation framework gained shiny 2dsphere geo support in 2.4, I figured I’d use that. I just needed a topic…

What are us Brits focused on?

Two things immediately sprang to mind: weather and beer.