it is entirely optional
All the other things that arn't compulsary to live
Yes, TeT is compulsory to all the regular teachers.
Yes almost all apps are free however some app may have optional payment for upgrades inside the app
Yes, it must be optional
No, it is optional.
To get all the upgrades in spiderman:web of shadows you need to gain experience by doing missions and saving citizens. Then you go to the pause menu, and it says upgrades. You can get all of them just by doing regular missions or optional missions.
You cannot post to all the people on Facebook. It is a violation of the privacy settings of Facebook.
nope. 100% free. Edit: Although it is free, Facebook does suggest for you to promote your posts you make on a fan page with money so that it can reach more people though this is optional.
Do you think someone who skipped grade school could jump right into highschool? NO not at all. If grade school were optional then high school would have to be optional.. and of course college is already optional.
Facebook all the way!!
No.
Facebook all the way!