Which of the following statements about spam is true?
a) Online services in some states can legally prevent spammers from spamming their subscribers
b) Spam is defined as unsolicited e-mail
c) Several Asian countries have anti-spamming laws and in Singapore, the Spam Control Bill was passed in 2007
d) Under the new bill, companies carrying out marketing campaigns via e-mail and SMS messages must tag these messages with "< ADV >" and those that fail to comply can be sued by consumers
e) All of the above statements about spam are true
Answer: e