Youtube developement team released geolocation based google maps, youtube and geolocation features of Google gears which is noted on lifehacker. When your nearest someone uploaded any video on youtube you can see the video on google maps (see on images) but when you input any wrong location info it will show as a real locations which is tracked by startumeme.com. The source code of the application is available for download.

See What Your Neighbors Have Uploaded to YouTube & Look who has uploaded YouTube videos near you [via lifehacker & startupmeme]