PipelineDB announced a developer preview of a new realtime analytics-as-a-service API: Stride. Stride delivers high capacity, realtime analytics through a simple, straightforward API. Users need not invest in costly, cumbersome infrastructure traditionally required for high-end analytics.
Once you get beyond the most basic map mashups, you'll run into a problem with data storage and access, because you can't hard-code hundreds of markers. It's a problem that SimpleGeo wants to fix. And from the looks of their new platform, they've gone beyond expectations.