Why it worked
The video taps into the popular 'reuse and recycle' trend, specifically by repurposing a common coffee jar for a new use. The relatable and simple DIY aspect of making iced coffee at home also appeals to a wide audience.
Summary
The video shows a person reusing a Cafe Bustelo instant espresso jar to make iced coffee. They shake the jar, add a straw, and then drink from it.