The Wayback Machine - https://web.archive.org./web/20140423231144/https://dev.twitter.com/

More downloads
for your app

with Twitter Cards

Twitter Cards offer a fast and easy way to grow your user base for mobile apps. Simply add some new markup to your pages: when users tweet links to your domain, Cards will let other users viewing those Tweets to download and launch your app across a number of mobile platforms.
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