Twitter announced the launch of a new card for marketers today – the Lead Generation Card.

Twitter cards, in general, let you attach media experiences to tweets, which link to your content. You can add a few lines of HTML to your pages, and those who tweet your content will have a “card” added to the tweet.

“The Lead Generation Card makes it easy for users to express interest in what your brand offers. Users can easily and securely share their email address with a business without leaving Twitter or having to fill out a cumbersome form,” explains Twitter Revenue Product Manager Mitali Pattnaik. “When someone expands your Tweet, they see a description of the offer and a call to action. Their name, @username, and email address are already pre-filled within the Card. The user simply clicks a button to send this information directly (and securely) to you.”

The company has been testing the Lead Generation Card with brands like New Relic, Full Sail and Priceline. According to Twitter, feedback has been positive, and beta participants found the cards to be low cost-per-lead compared to other services.

The cards will only be available for Twitter’s managed clients at this point, but will launch globally and to small and medium sized businesses in the near future.