Given the characteristics of Push Channels, identify which of the following business scenarios would most benefit from using Push Channels as the primary growth strategy:
- Scenario I: A new e-commerce platform looking to quickly increase its customer base for a seasonal sale.
- Scenario II: A well-established blog seeking to gradually expand its readership through organic content.
- Scenario III: A tech startup launching a time-sensitive crowdfunding campaign for its new product.
Choose the scenario(s) where Push Channels are most suitable.