Subscription-based business models have become increasingly popular across various industries, with a projected market growth from $650 billion to $1.5 trillion by 2025. These models are categorized into three main types: curation, replenishment, and access. Successful examples include subscription box services like Butcher Box, streaming platforms such as Netflix and Spotify, SaaS companies like Salesforce, experience subscriptions like WeWork and ClassPass, and magazine subscriptions like The Economist and Time. Personalization and convenience play a significant role in the success of these models.