difference between 0.facebook and m.facebook

hello ;
sure that you know m.facebook : the mobile facebook vesion .
and in some countries there is a free facebook version called 0.facebook
do you would to know the difference between them ?




first : m.facebook.com : 

1. it's a mobile facebook
2. it containt pictures , videos
3. it contain chat
4. you can upload photos , videos
5. it's paybale

second : 0.facebook.com :

1. it's a mobile facebook
2. it don't contain pictures , videos
3. it contain chat
4. you can't upload photos , videos
5. it's free !!

keywords :
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