When a speaker delivers a speech word for word from memory without using notes, he/she is practicing _______ speaking

The business practice in which actors are made into celebrities to increase the size of movie audiences is called the __________

Fill in the blank with correct word

In Sony Corp. v. Universal City Studios (the Betamax case) the Supreme Court concluded that

a. copying for personal entertainment is always a fair use. b. video recorders have enhanced the value of copyrights. c. time-shifting qualifies as a fair use. d. Both a and b