Firefox, meet Opera
I wish that Mozilla would look at what happened to Opera and realise that the fun side projects and useless minority features they seem hell bent on implementing in to Firefox ultimately dooms the browser. No one cares about having a Firefox OS. All people really care about is having a fast, efficient browser that is open source and isn't from Google.
There is plenty of money in Mozilla - too much I feel - so there should be no excuses. Do your job Mozilla and make Firefox great.