The announcement post
http://googlecode.blogspot.com/2010/03/making-apis-faster-introducing-partial.html
on the Google Code blog goes into much more detail, so take a look at
that first. When you’re ready to start writing code, check out the
partial response
http://code.google.com/apis/youtube/2.0/developers_guide_protocol_partial.html
and partial update
http://code.google.com/apis/youtube/2.0/developers_guide_protocol_partial_updates.html
sections of the YouTube API Developer’s Guide.
Cheers,
-Jeff Posnick, YouTube API Team
YouTube is hiring! ~ http://google.com/jobs/workyoutube