Here's me rambling about adding data into OpenStreetMap. I'm even boring myself.
...until 6 mins 22 seconds in, when it goes into TURBO MAPPING mode!
This is showing using the JOSM editor, input data collected during our OSMLondon mapping party around Marble Arch. More details in my OpenStreetMap diary entry here: openstreetmap.org/user/Harry%20Wood/diary/19365
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