Hi Talk-vi, sorry I didn't make the event on Saturday, but I'm interested to follow discussion on openstreetmap in Vietnam. The New Hanoian uses OSM tiles for its map, and I'm happy to see the progress that's been made on the map recently. Regards, -- Director of Technology - The New Hanoian www.newhanoian.com - tom at newhanoian.com +84 904 343 601