Create a timeline of the events that led to the given result.

The rise of eCommerce
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- 1993: First eCommerce transaction took place 
- 1995: Amazon and eBay founded 
- 2003: PayPal formed to facilitate online payments 
- 2008: Mobile shopping and technology advancements increase the ease of eCommerce 
- 2011: 5% of global retail sales occur online 
- 2016: Global eCommerce sales surpass $1 trillion
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