The number of featured questions

I wonder why the number of featured questions increased nowadays. It was around $30$ before and nowadays above $50$.

• More users $\Rightarrow$ more questions $\Rightarrow$ more features questions, perhaps? Oct 25 '13 at 10:44
• What about restricting the number of featured questions? Oct 25 '13 at 10:57
• @user1729 in some months the number of user in mse was not doubled i guess.. Oct 25 '13 at 11:50
• @draks... thanks i had a look at it. It says that mse is expanding, in my opinion expending more in a way that the questions are increasing much more than answers Oct 25 '13 at 11:52