On to part 2. If you want to skip my rant about pointless commentators, just skip ahead to about the 5 min mark. In this second part of the series, we will finish up working with the home screen layout and build out the video/image posts feed comments using a new, more efficient method for developing top and sub level comments, and address some of the finer points of reducing unnecessary queries to save money and speed up your app response time for the end user. Efficiency is key!