Two stories to begin with

1. Nokia refused Android 
2. Yahoo refused Google 

Story Over 

Lessons Learnt

1. Take risks
2. Embrace changes 
3. If you refuse to change with time, you might perish 

 Two More stories : 

1. Facebook takes over whatsapp and instagram

2. Flip kart takes over Myntra and flip kart owned Myntra takes over jabong 

Story Over

Lessons learnt

1. Become so powerful that your competitors become your allies

2. Reach the top position and then eliminate the competition.

3. Keep innovating

Two More stories

1. Colonel sanders founded KFC at the age of 65

2. Jack Ma, who couldn't get job in KFC, founded Ali baba

Story over 

Lessons learnt

1. Age is just a number

2. Only those who keep trying succeeds

Last but not the least

1. Lamborghini was founded as result of revenge of a tractor owner who was insulted by Enzy Ferrari, the founder of ferrari

Story Over 

Lessons learnt

1. Never underestimate anyone, ever !! 

2. Success is the best revenge