Article like this are less useful than they appear, because the best channel for your product depends on your audience. Aggregating all the anecdotal answers to

Article like this are less useful than they appear, because the best channel for your product depends on your audience. Aggregating all the anecdotal answers together is mildly interesting, but not actionable. Had they broken out the top X channels by the target audience and market, that would be far more useful. It is better to actually read through all the anecdotes you can find, seek out the ones that match your audience, and compile your own data and conclusions.