The article discusses the changes in the SaaS industry between 2013 and 2021, with the author reflecting on their experience starting SaaS companies in both years. The article is not available, but the comments suggest that the industry has become more saturated, with more companies and easier access to funding. The author mentions that seed rounds are bigger and there are more SaaS companies, making it harder to get initial traction. The comments also touch on the importance of profitability and the willingness of VCs to accept product-led growth.