What are the use cases for Alert Bar?

Alert Bars can be used for a variety of purposes like:
1. To display a Weekly Offer on selected pages of your website.
2. Displaying Coupon codes for particular products.
3. Catchy one liners to attract attention to one of your web-pages, product or service.
4. Download link to a trial version of product.
5. Requesting Sign-ups for your Blog articles / Newsletters.