If you're a social media junkie and TweetDeck is your pusherman, you may or may not be happy to know that the Twitter-owned application has received a cosmetic update -- one which inches the platform further away from the post-buyout product that power users once knew and loved. While subtle, the latest software bump brings enhanced, adjustable fonts and a brand new "lighter theme" that features dark text against a light background. The update is now available for Windows, Chrome and Mac web users. A