Cashing in: An email notifies a YouTube content creator about Google AdSense payments for advertisements the creator received for their YouTube channel. Digital media start-ups have also started to capitalize on YouTube and podcasts, among other online media platforms. (Courtesy of Google)If you are an aspiring digital media entrepreneur, making money from your own online portal is not all that difficult.Running a digital media start-up can also be a satisfying challenge, requiring you to collaborate with relevant communications and information sectors, from media analysts to mainstream and new media, including social media platforms.According to Rian Kristo, the founder and chief executive officer of digital marketing agency Toffeedev, digital media companies can monetize their content by helping other brands leverage their businesses through the digital content platform, using channels...