The article started with a good premise, but then the initial results were abysmal (7 followers for 20 minutes of work). So the article switched to reviewing p

The article started with a good premise, but then the initial results were abysmal (7 followers for 20 minutes of work). So the article switched to reviewing pay-to-follow services, which bring 0 value to your twitter account. I would have been more interested in a scientific study of the growth curve, using famous and well-established accounts, rather than anecdotal experiments.