Why it worked
The content is educational and visually appealing, offering a clear and concise comparison of vocabulary between two related languages. The final slide directly promotes the Ling app as a tool to learn these languages, leveraging the educational content as a lead-in.
Summary
This slideshow presents different words in Serbian and Croatian, such as soup, passport, theatre, towel, and pepper. The final slide encourages viewers to download the Ling app to learn Slavic languages, with a link provided in the bio.