If you wannabe a freelance writer or published book author, then you need a platform. Your writing platform helps you promote yourself, sell your writing, and convince editors and publishers that you're publishable.
Your writing platform can be a blog with writing ideas, a newsletter, your classroom, a social club or even your own community or town. For several other ways to promote yourself and your writing, read 10 Ways to Build a Writing Platform.
Writing tip: You don't need a writing platform to get published, just like you don't need a computer to write.
It just helps.
A writing platform also helps introverted writers find their public voice. Do you have a writing platform, like a blog or tv show? Let me know how it's working for you.....