Info-line should complement the information on the website. Or be interesting to the main audience of the site.
So for a site about travel can be watch in different cities, weather, etc.
For your website business articles - quotes, various indices, etc.
So first, determine the theme of a resource and its audience. Then the decision will come by itself.
a website, media articles, with the author's cognitive-developmental in nature (science, health, business)
is not a theme. That's about all. Therefore, define the audience, describe Your visitor and understand what they need.