tstarling(a)svn.wikimedia.org wrote: -- that way only the recipient downloads it, instead of the recipient plus 100 million Wikipedia readers. Or indeed, a commit notice. With a large file in the data parameter in Mozilla, the browser downloads the entire file before it starts playing. The referenced document may describe streaming, but the same technique is also necessary for cross-browser progressive download. Comments are meant to aid all future maintainers of the software to understand the purpose of the nonobvious techniques, so a private e-mail would be entirely mistargeted. Since you'd prefer to keep the JavaScript comments small, though, I've gone ahead and replaced it with a URL to this commit message. -- brion vibber (brion @ wikimedia.org)