Although all what we so is to make 'em best at one go, but since time change and improvement comes, sometimes we need to update the information, as many of giant providors have been doing, (like face book several update, twitter one major turning to oAuth and several major, but at most possible all comes with improvement so no frequent changes. And Yes please don't stop supporting older one, It hurts!! :)

Although all what we do is to make 'em best at one go, but since time change and improvement comes, sometimes we need to update the information, as many of giant providors have been doing, (like face book several update, twitter one major turning to oAuth and several major, but at most possible all comes with improvement so no frequent changes. And Yes please don't stop supporting older one, It hurts!! :)