circuit switch and packet switch environment

One page paper 

• Cite two examples of a circuit switch and packet switch environment. Base one example on a circuit switch and the other on a packet switch. Describe the trade-off between the two technologies and the reason why packet switching is more appropriate for the Internet. 
• Assuming your daily routine stayed the same, speculate the problems you would have if the Internet didn’t exist. Speculate the problems of a familiar organization given the same scenario.