A Polish couple went from running a personal training studio to becoming fitness influencers with over 1.7 million YouTube subscribers — and they're set to launch an app this year. Here's how ...

"Just wait for the desire to attack K2 in winter to be announced by top Polish Youtubers, Instagrammers or other influencers," Polish mountaineer Marcin Miotk said, on hearing the news of her attempt.

To mark reaching the subscriber milestone, Acamar Films will receive its second YouTube Gold Creator Award for pre-school hit series Bing.