GeoMeme is a web app, and also a mobile web app for iPhone and Android phones, that measures real-time local twitter trends to work out what's happening where. Visitors to GeoMeme choose a location on the map, and two search terms to compare. GeoMeme then measures and compares the number of matching tweets within the bounds of the map. Tweets are located using Twitter's brand new geotagging feature, and public data from a number of mobile twitter apps. This article explains how location-aware mobile web apps such as GeoMeme Mobile are now becoming a viable alternative to native mobile apps for iPhone &/or Android. Also covered is how to combine various geolocation techniques to work out where on earth a mobile phone is located, and how to dynamically retrieve content local to the user for display on a mobile map. GeoMeme is packed full of geo goodness, follow here for complete article.