If I were to pick one from each of these buckets for the next 5+ years, I'd pick these now:

Datacenter/Gaming: $NVDA 
IaaS: $FSLY
SaaS: $ZM
Fintech: $MELI
Programmatic: $TTD
Ecommerce: $SHOP
Healthcare: $LVGO
Streaming: $NFLX
Services: $AAPL