How Will You Decide Which Browser Security Settings to Allow

Multiple Choice

How will you decide which browser security settings to allow and which ones to block?

A) If the browser security setting is from my favorite online retailers,I will accept it because the retailer knows what I like.
B) I will need to review each browser security setting and use my best judgement.
C) If the browser security setting is on a website sent from a friend,I always accept the setting.
D) If the browser security setting has been mentioned on several friends' timelines on Facebook then it must be a good one,so I should do change it on my computer too.