But it is not a sudden proliferation of hate speech.

There was a sudden proliferation of car makes, including the Tucker, the subject of the 1987 movie.

The prospect of elections in the run up to independence caused a sudden proliferation of new political parties.

The birds, of course, love the sudden proliferation.

The prospect of elections caused a sudden proliferation of new political parties.

How else to explain the sudden proliferation of government handouts to big companies?

Why the sudden proliferation of professional sports teams?

Notice the sudden proliferation of the red "hardware" lines in QE-enabled diagram.

But many of them were overwhelmed by the sudden proliferation of hardware and software choices and went home with more questions than answers.

Behind the dispute is a sudden proliferation in the ways that investors can buy or sell stocks in the United States.