When Sienna Jovcevski posted a meme on Instagram, she wasn't trying to get media coverage.

She was just a 17-year-old business owner, reacting to the Federal Budget the same way the rest of us were: with a mix of disbelief and dark humour.

But what happened next is one of the most powerful examples of earned media I've seen in my entire career as a journalist and media trainer. And it has everything to teach small business owners about the power of a well-timed story.

Who Is Sienna Jovcevsk...