So instead of just hitting a wall after a certain number of stories, readers who contributed comments or moderated the comments of others — or provided other forms of useful data or labor — might get a benefit that others wouldn’t, whether it’s access to certain content or an invitation to a real-world event they might be interested in. In that case, readers might actually volunteer to pay, because it would no longer be seen as a duty but instead would be something useful to them. Among others, The Atlantic and the Texas Tribune have made good use of real-world events as a revenue-generating addition.