Which mobile or web service can show tweets from nearby?
Tweetcaster does it, actually. Using it at this very moment!
I may check
First one is Twitter search Itself can solve your problem search like this near:Mumbai within:10km then it will so you tweets near mumbai.
2. Iphone App
https://itunes.apple.com/app/echofon-for-twitter/id286756410?mt=8 Echofon for Twitter(Free)
http://www.twitterlocal.net/ twitter Local
http://nearbytweets.com/ Twits nearby you
Hey Sunil, that's a very interesting question!
There was a great deal of controversy a few years ago regarding a Gawker report about how it was possible to use a combination of social media to locate celebrities. Gawker then created Stalker Maps, which aggregated the available data to present real-time locations of celebrities.
There were also reports about EXIF data being pulled from celebrity self-posted photos to Twitter. The EXIF data sometimes included (for iPhone users, all the time) GPS coordinates. And if the user were prolific enough, it was possible to use Twitter to locate a celebrity in real-time.
I believe the storing of GPS co-ordinates in EXIF data is referred to as Geotagging.
Can stalker maps show near by tweets
I believe StalkerMaps only shows the location of celebrities.
However, regarding Twitter, you can locate someone through the geotags in their EXIF data. You only need to look at the pictures metadata and it will tell you everything.
There is no any type of network
maybe u can download some application , :). to search people nearby. :)