Twitter has to host those files. Pure guess here but like thunbnails, it's not completely unresonable that they maybe want to optimize them for size to save a few dollars on the hosting bills.
Why does it mater? Zac Bowling On Wed, Dec 30, 2009 at 1:27 PM, Kyle Mulka <repalvigla...@yahoo.com> wrote: > When uploading a background image, the image contents seems to get > modified. Seems like I should be able to do an MD5 sum on the file > before it is uploaded, upload the image to Twitter, and when I > download the image do another MD5 sum and the two should be the same. > But they aren't. Why? > > -- > Kyle Mulka > Founder, Congo Labs > http://twilk.com >