Our detectives are back with the following intel on this WordPress site
The site is using the Themia Pro Responsive Theme theme by InkThemes.com .
We could identify 2 plugins (there might be more) - Inline Tweets and WP Twitter Feeds
Themia Pro for WordPress is one of the easiest themes to build your Web Presence in 10 Minutes. Just with in 5 Simple Steps. The Theme is highly customizable and with the presence of several background patterns and Theme Options, You can have your own branded new Website for your Business or Personal Use in Minutes. Features Templates for Blogs, Gallery, Fullwidth Page without sidebar and Contact Us Page.
Embed latest tweet(s) or a specific tweet in any page, post or text widget and apply your custom styles.
WP Twitter Feeds - A simple widget which lets you add your latest tweets in just a few clicks on your website.