The employer needs to know the complete address of the employee for a number of reasons. One is for payroll purposes. Setting up an account for a person requires him to provide his address. Another reason is that if something wrong happens, they would know where to locate him or his family. The company also needs an employee's address so that they can be certain of his identity. And another reason would be for mailing of anything necessary purposes.
For helping the day to day work teachers can also find daily teacher helper packs which include sections like to do lists, organizer, graphing and grid templates, blank as well as binder forms. Availability of all the material on the internet has simplified teacher's day to day lifestyle and improved the ways of classroom management. Do you think this has made teachers life easier than a student which wasn't in the past? If you think in a broader way it hasn't. Students have got the similar benefit of having all the information available on the internet.