First, my goal would be to boost user engagement with hashtags. To achieve this, we need to inform users that hashtags can expand the reach of their posts to a broader audience interested in similar subjects. We can assess this by tracking the growth in the number of posts that include hashtags. Next, I aim to improve the discoverability of pertinent content through hashtags. We can gauge success by observing the rise in clicks on hashtags, which would indicate that users are spending more time on content pages related to those hashtags. Finally, we should take steps to enhance Facebook's revenue by effectively utilizing hashtags in advertisements, making them more targeted and relevant, which could lead to increased ad revenue. This can be measured by monitoring the increase in ad engagement and overall advertising revenue.