Third Mash up
Mashup, a web application that combines data and/or functionality from more than one source
Google Maps did not disclose their sources in the beginning. However, a developer in the US hacked into Google Maps and used it to create the housing map that provides real estate related information on the map (www.housingmaps.com).
People paid a lot of attention to the new kinds of information and services that this service provided. Google noticed that and turned it into a new business model. Google Maps disclosed their sources, provided new contents and opened the door for Mashup. By doing that, Google was able to dramatically increase their market share within a short period of time. More and more new contents using mashup are showing up. That is when “Where 2.0” started.
Mashup became so popular because it helps the users to easily find the information they are looking for. Regarding the map service, it is expected that mashup will provide not only information about the location itself but also more detailed information about the whole area. Hence, the expectations in this field are very high.
Domestic portals started to follow this trend and take more and more advantage of the public map business. In average 10 different mashups that use open API come up every day worldwide.
source : g-ad solution

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