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'''In September 2012,
==What about map tiles?==
If your application is going to directly serve map tiles from tile.openstreetmap.org, we ask you to observe our [http://wiki.openstreetmap.org/wiki/Tile_usage_policy tile usage policy]. You can also use your own tile server or a commercial provider ... see links on [http://wiki.openstreetmap.org/wiki/Tile_usage_policy tile usage policy page]. Note that the map tiles we serve continue to be published under the CC-BY-SA license.
== If I have data derived from OSM data, do I HAVE to distribute it? ==
No.
The Foundation is [[License/Contributor_Terms|contractually bound to all OpenStreetMap individual contributors]] to license the data only under a specific license. Currently, this is ODbL 1.0.
Copyright to individual contributions remains with the contributor and their consent can be asked directly. If you happen to use data provided solely by one or a few OSM contributors, you can ask them if they are willing to provide their data to you under a different license.
== How should I attribute you? ==
<div style="border:1px solid black;background-color:#DDDDFF;padding:5px;"><b>Our requested attribution is "© OpenStreetMap contributors".</b><br/>You must make it clear that the data is available under the Open Database Licence. This can be achieved by providing a "License" or "Terms" link which links to www.openstreetmap.org/copyright or www.opendatacommons.org/licenses/odbl.</div>
== What do you mean by Share-Alike?==
If you publicly use any adapted version of our database, or a partial extraction from it, or works
In other words, if you improve our data and then distribute it, you need to share your improvements with the general public at no charge. A painless way to do that is to contribute your improvements directly back to OpenStreetMap.
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