We mentioned the first JS.geo 2013 event and Peter Batty shares his wrap-up of the event. I strongly recommend reading the full entry if you have any remote interest in web mapping technology.
From the entry: "D3 supports a new format called TopoJSON, which is similar to geoJSON, but supports topology to eliminate redundancy. For polygon data this can reduce data volumes by around 80% (compared to regular geoJSON). It also lends itself to robust simplification of polygons. [...] Several presentations, including this one by Aaron Ogle, confirmed the impression I had that the Leaflet JavaScript mapping API has great momentum. [...] Brendan Kenny from Google gave an interesting talk on WebGL, which brings high performance 3D (and 2D) graphics to (most) web browsers [...]"

Here's the recent geonews in batch mode.
From the Esri front:
On the web maps front:
In the miscellaneous category:
In the maps category:
Here's the latest batch-mode edition of the geonews.
From the open source front:
From the Esri front:
From the Google front:
In the miscellaneous category:
And finally, at the suggestion of a Slashgeo user which made a donation, we added a 'Paypal button' to ease the process of making donation to Slashgeo.
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