O1. New customers from online channel
Heineken invested money into online platform that opened new sales channel for Heineken. They can leverage this opportunity by knowing its customer better and serving their needs. (big data analytics)
O2. Changing Consumer Trends
This scenario can open up new market for the Heineken . Provides a great opportunity for the organization to build new revenue streams and diversify into new product categories
O3. Mergers & Acquisitions
Massive takeover of SABMiller by Ab InBev, making it the biggest brewer in the world. Not only, in 2015, Heineken bought 50% stake in craft brewer Lagunitas (USA) and the rest in two years, in 2019, it bought Biela Ecuador as well. For Heineken, there could also be opportunities for growth through acquisitions.