Hi, We just have an osm birthday party in Tokyo today. You can see our photo at; http://wiki.openstreetmap.org/index.php/Ja:OpenStreetMap_4th_Anniversary_Birthday_party We can check real jewery GPS tracker, thanks Taichi. thank you! Hiroshi -- Sent from Gmail for mobile | mobile.google.com HIroshi Miura NTT DATA Corp. and IPA OSS center （株）NTTデータ /（独）情報処理推進機構 三浦広志