Listening activities related to Internet and the world of computers and phones

In today's world, is a phone a necessity for people of all ages, or is it just a luxury item? Why or why not? How do people who grew up without mobile phones feel about this?

http://www.esl-lab.com/smartphone/smartphonerd1.htm

Suppose you are applying to work for a computer software company. What qualifications and skills would be needed in different positions within a company? What kinds of questions do you think you would be asked in a job interview for such positions?

http://www.esl-lab.com/comp/comprd1.htm 

How do social media Web sites such as Facebook, Twitter, LinkedIn, and Google Plus+ help people keep in touch with family and friends (for example, "People can send short birthday messages. It doesn't cost money.")? In this listening activity, a man introduces himself to a woman by phone that he met on a social networking site.

http://www.esl-lab.com/socialmedia/socialmediard1.htm