Meebo use of libpurple

[John Uhlmann]

Richard Laager wrote:
> On Thu, 2009-05-21 at 15:50 -0400, Kyle Stanek wrote:
> > According to a post on the Meebo website, they feel that they are not
> > required to release their source code because they do not directly
> > distribute binaries to customers (since Meebo is a web application).
> 
> Yes, this is how the GPL works.

More accurately I believe that this is how GPLv2 works.
I recall that there is an optional clause in GPLv3 that requires the release
of source code in these situations.