Language dilemma

For a long time I have been nurturing the idea of ​​creating a small video blog. I don’t want to disclose the exact topic yet, but I’ll say that this is IT in some manifestation. One way or another, it doesn’t matter, I’m writing here because I cannot resolve one issue.

tongue.

The real dilemma. Do in Russian or English?
The question of knowledge is not worth it, the question is about the audience.
I just look around and see - video blogging and video podcasting in runet - frankly, NOT popular. And how to be - to invest your small details in the business of popularizing the add or not to steam and join the already vibrant and mass community of English-language video makers?
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I ask your advice and advice on this. Thank you in advance