1.   In fact, many today sound as if they were dreamed up on Madison Avenue, and have inspired no small amount of tomato throwing among academics.

2.   Many today sound as though they were dreamed up on Madison Avenue, and they have inspired no small amount of tomato throwing among academics.

3.   Though her artistic career has been built around cutting-edge electronic experimentation, Anderson today sounds a bit turned off by all this talk of a digital brave new world.

4.   Though her artistic career has been built around cutting-edge electronic experimentation, Anderson today sounds a bit turned off by the brave new digital world.