Good luck with today's mentalfloss.com Brain Game Think Thursday challenge.

What is the next number in the following sequence?

4, 2, 3, 4, 6, 2, 3, 9, _

Here is the SOLUTION. 
THE SOLUTION:

8.

The numbers represent the number of letters in each word of the preceding question. (9 is also acceptable in case you counted the question mark as a character.)

Thanks for playing! Tomorrow, it's Free-for-All Friday.