Disruptive innovations
1. appearance of something that did not exists before ex...(ipod, internet, telephone)
2. appearance of something that competes aggressively with existing market    ex... (a new item at a tenth of a price of any existing item) 

we need to come up with a new product which enriches our lives. we need to address following,

• what will it do (functionality) ------ requirement of the product,
• what functionalities it cover,
• how we currently do those functionalities
  can we do it (feasibility) ----- skills need to develop it,
• organization,
• cost required,
• sufficiency
  do we want it? (Acceptability)--------- human issues,
• performance of new product, compare with currently how manage to do the functionalities,
• adoptability,
• the market analysis, revenue/ what we get back from the introducing new product
  do we want to risk it (consequences) -------- what could go wrong,
• risk management