There are more than two reasons a user might upvote another user's post. Some of the many situations one might click the up arrow: - to thank others for posti

There are more than two reasons a user might upvote another user's post. Some of the many situations one might click the up arrow: - to thank others for posting to one's thread in order to create a positive feedback loop - to increase visibility of what a user wrote or submitted - to display agreement with points made in the submission - to "save" the submission for future reference, as users can track what they've upvoted in the past - to promote a specific idea or ideology