Which retail data analytics approach has most significantly improved sales forecasting for major telescope manufacturers in the past decade?

Modern astronomy relies heavily on big data analytics to process the vast amounts of information collected by telescopes and space probes. Similarly, companies in the astronomy product sector use retail data analytics to understand customer behavior and market trends. This poll tests your knowledge about how astronomical equipment retailers are leveraging data analytics to revolutionize their business strategies and improve customer engagement in this specialized market.

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Predictive analytics combining seasonal viewing conditions with purchasing patterns
Simple demographic analysis based solely on customer age and income
Manual tracking of inventory levels without algorithmic assistance
Random sampling of customer reviews without sentiment analysis