The main YouTube Marketing features offered by Tube Toolbox are listed below with a brief description of how each can help. What they do is automate many of the YouTube marketing processes that you normally must do by hand. For example, using Tube Toolbox, you can send 100's or 1000's of Friend Requests, Messages, Comments or Subscription Invites while you sleep! Simply set up some parameters and click a start button; Tube Toolbox handles the rest.