Wunderlist, the hugely popular cross-platform productivity app that now boasts over 5.3 million users worldwide, got a new feature called Comments this week, which brings the conversation to your to-do list. If you use Wunderlist in a professional environment, you can now discuss tasks and projects with your team within individual to-dos.

What’s more, you can now try Comments — as well as Files and Assigning — for free for a limited time, without signing up to Wunderlist Pro.

Facebook rolled out a new beta version of its Android app today, introducing a simple feature that we’ve been waiting for for years (literally!) — the ability to edit posts and comments after you’ve published them. The beta also allows you to use icons in status updates, create and share new photo albums from your phone, and more.

Adobe Reader for Android and iOS received a hefty update today, adding a slew of new features and enhancing performance across the board. We’ll highlight these new features for you below and then send you over to the Adobe blog where they have done an excellent job at explaining what has been added and improved in the latest Adobe Reader update.