a service for generating short links to a location that can be viewed in a browser or downloaded as a KMZ file.
a Keyhole Markup Language along with other accompanying attachments packaged in a ZIP compressed archive
Keyhole Inc was acquired by Google in 2004
In 2008, KML standards began to be [maintained by OGC: the Open Geospatial Consortium](http://www.opengeospatial.org/pressroom/pressreleases/857
KML 2.3 is under development by the OGC Standards Working Group