Fad is short lived mushrooming of opportunity which is difficult to predict and forecast. Business profit from fad is pure matter of luck and chance. Trend is something which takes time to build up compared to fad and has a predictable future. Trend is sometimes co-related with changes in social culture and economical situation. Megatrend is much slower in development and is associated with political, socio-economical, technology and regulatory changes. Megatrends are estimated to last around half decade or more. For companies trend and megatrend are of great importance because they present business opportunities to them. Currently portable music player and hand held devices are real craze in the market with consumer willing to pay premium for them. However the direction in which market is going to develop is only possible by continuous following of market.