Here’s a fun idea to get your revenge on telemarketers: a man turned his landline into a hotline, earning $465 in the process. But here’s a better idea: disconnect your landline already and don’t pick any cellphone calls from anyone who isn’t in your address book.
http://gawker.com/man-gets-upper-hand-on-telemarketers-by-turning-landlin-1216908284