A new option in Google Docs "creating tables" is spotted. It seems that Google Docs started to integrate with Fusion Tables, a little-known Google service that lets you manage large data sets.
"Google Fusion Tables is a modern data management and publishing web application that makes it easy to host, manage, collaborate on, visualize, and publish data tables online." You can find some examples in the gallery.
Add to this, there are also many tutorials that help you create tables and turn them into maps.
Although, I tried on different times, but couldn't see "table (beta)" in Google Docs, so this could be a slow rollout or just a limited experiment. Fusion Tables already has a Google+ interface: