In most cases precedent cases are upheld in later cases with similar setting. However, judges have some discretion especially if the precedent does not apply such as the change in technology. This allows some flexibility of courts to update laws that are more applicable to concurrent settings.
Social networking sites like FB, LDN, and TW etc. are inevitable. Mostly every third person in this earth holds an account in these social networking sites. These sites have become an undisputed part of one's life and shares it advantages and disadvantages both.
Social networking sites like FB, LDN, and TW etc. have resulted in the development of new laws and precedent like cyber laws, copyright laws, trademark laws etc. In other words, if one has to advertise its products or services over social networking sites, then he has to take care about all the legalities and copyrights that becomes an inevitable part of cyber activities.
Also the while chatting and sharing pictures, it is necessary that one does not cross limit and create a scene for all at the social platform which is readily available for everyone. Also while browsing at other's account; it becomes necessary that one does not post provoking material just to harm the sentiments of others.
Procedural law as it name suggest is law dealing with meeting proper procedures, e.g. reading a suspect Miranda rights.
Substantive Law defines are laws that dictates rights or duties
a) Requiring that a hearing be held before a student is expelled is procedural law. It dictates the duty that must be met by a school before it can expel a student.
b) Imposing a limit on interest rates is substantive law. It gives a right to a fair interest or protection from predatory interest rates.
c) Requiring employers to grant leave of absence for employees in case birth or adoption is substantive law. It grants employees right to take care of family situations.
d) Requiring that four tax notices be sent before placing a lien is procedural law. A lien can't be placed until the notices are sent.