Twitter has a useful option of highlighting important Tweets. This is done by making a specific Tweet as Pinned Tweet.
This comes in handy when trying to provide a list of useful resources or information since this Tweet always stays on top of Tweet timeline.
Here is how to make a pinned Tweet :
Click on the 3 dots at the bottom of the Tweet which needs to be pinned. Then select Pin to your profile page.
From the confirmation box that pops up next, choose Pin. (If there is any other pinned Tweet already present, this new Tweet will replace that).
The new Tweet will now be pinned at the top of profile page and be much more visible than other Tweets.
Happy pinning those useful Tweets.