I've noticed them more and more as well, but I am not sure if it's because (a) there are more self promoters now, (b) there is more reason than ever to self pro

I've noticed them more and more as well, but I am not sure if it's because (a) there are more self promoters now, (b) there is more reason than ever to self promote -- gold rush!, or (c) I myself am more sensitive to it now. That being said, good move by said person for content marketing.