The Pro version of plugin will help you increase Twitter presence of your site and Twitter Follower drastically.
Visitors will be able to download file only if they tweet the content on Twitter or follow you on
Twitter.So offer ebooks,software or any file you think to visitors if they spread your content or follow you on Twitter.
Increase your Twitter brand value with
Twitter Tweet Follow to download pro plugin
https://www.youtube.com/watch?v=Pd5AJ84U0Js
Other Content locker plugins
Facebook like to download
Google Plus to download
YouTube Subscribe to download
The plugin can be installed like any other plugin.You can search from WordPress Dashboard (Udinra Image Sitemap) and click install to install it.You can also download it and upload it to your server wp-content/plugins directory and extract the zip file.
1.0
Initial Version.