Sad and Lonely I remember when I hold you I remember when you said I hated you I remember when you broke down I was sad and lonely I love u babe never forget this is for you kisses Hello

At the beginning of a call to the cable company, a message tells customers, "after you finish talking to our customer service representative, you will be asked to take a five-question survey about the level of service you recieved. it would be appreciated if you could stay on the line to answer the survey questions." what type of sampling is the cable company using?