Odds are you have some talent with one. Maybe even two. And that can be enough. That can be enough to create really impressive content, content that connects with people, that really hold their interest. And even if you are only adept at using one of these forms, you can create content for multiple platforms.
And quality counts. Yes, video is the ultimate eye candy. And access to expensive equipment can give you more options. But I have seen people bored to death by the trailer for some big budget movie. And I have seen people enthralled with a couple of well-crafted sentences. Suddenly top-of-the-line technology in the world of movie-making magic loses out to a man or a woman with just a keyboard and a sans serif font.
So don't be intimidated by the new social media platform. At the same time don't think that the new app means you don't have to do the work. It is still all about telling a good story using only pictures, text, audio, and video.