Big Data do awesome job with respect to employer.Now a days Big Data goes into employees professional lives. By tracking,analyzing and sharing employee performance data employer come to know whether he gives individual motivation to employee or boost individual with overall engagement.How it is going to happen means it is only by means of Big Data. Now a days every one think globally and digitalized way.This is happen with schools also. Here i am talking about Big Data help in school.There is no situation like taking attendance and all the things.It is digitalized in the form of Biometrics. 2)My answers is yes.Obviously,Big Data have an impact on how we use the internet.Big Data characterized by 4 V\'s Volume,Variety,Veracity,Velocity. Now a Days we are using Internet not only for searching like that we are doing beyond that in internet i.e,social websites usage.Think,For how much data going to generated by you in the form of images,audio,video on facebook,whatsapp etc.we are sharing different data on our facebook walls.Is that data is reallly true or not(accuracy nothing but veracity).Lot of data going to be generated ---volume,different type of data going to generated like pictures,audio---variety. Challenges of Big Data:1)Hadoop is hard :It is not easy to handle hadoop.Hadoop used to handle structured data and unstructured data. 2)Actional insights 3)cost management:It\'s very difficult to project cost for big data project. Solution Big Data do awesome job with respect to employer.Now a days Big Data goes into employees professional lives. By tracking,analyzing and sharing employee performance data employer come to know whether he gives individual motivation to employee or boost individual with overall engagement.How it is going to happen means it is only by means of Big Data. Now a days every one think globally and digitalized way.This is happen with schools also. Here i am talking about Big Data help in school.There is no situation like taking attendance and all the things.It is digitalized in the form of Biometrics. 2)My answers is yes.Obviously,Big Data have an impact on how we use the internet.Big Data characterized by 4 V\'s Volume,Variety,Veracity,Velocity. Now a Days we are using Internet not only for searching like that we are doing beyond that in internet i.e,social websites usage.Think,For how much data going to generated by you in the form of images,audio,video on facebook,whatsapp etc.we are sharing different data on our facebook walls.Is that data is reallly true or not(accuracy nothing but veracity).Lot of data going to be generated ---volume,different type of data going to generated like pictures,audio---variety. Challenges of Big Data:1)Hadoop is hard :It is not easy to handle hadoop.Hadoop used to handle structured data and unstructured data. 2)Actional insights 3)cost management:It\'s very difficult to project cost for big data project..