The State of the Cloud 2019 report highlights the significant growth and demand for cloud companies, evidencing over $90 billion in M&A and a rising public market cap that surpassed $500 billion two years earlier than anticipated. It emphasizes the importance of retention metrics for company valuation, where net retention rates can significantly affect enterprise value. Predictions for 2019 include advancements in automation across various sectors and a trend towards verticalization in software solutions.