Why can some Yahoo! questions be extended for months to be answered, while the rest could only for 8 days?

Question

Update:

There is not such option to extend the expiry date more than once. The Yahoo! help confirmed this as well: a question can be extended only for one time and a total 8 days.

Update 2:

http://search.cc.yahoo.com/search?ui_mode=question...

Answer 1

Favorite Answer

because some people will extend their questions for along timebecause they believe they need to get the best response while some people just need an answer

Answer 2

because you need some answers for the question so they extend it longer so people can answer if no one answered