It has it's pros and cons but now I'm starting to see the bs with these bots commenting links it Pi/ss me off so annoying
I'd say the second option:
written communication skills
Because it's an online way of communicating ad on discussion boards it's a group.
At the most basic level, the active voice emphasizes the person or agent who performs an action, in short, the “actor.” The passive voice emphasizes the recipient of the action or sometimes the action itself.
