Corrections: Hitchhike​

Hitchhik​ing isn't very usual in my country but when iIranians use instegram Instagram, many of people eager do that. (what do you want to say here?)
I think that it is so very hard but it is very excited exciting. You don't know what will happen in future. Who you will you see? What he/she will says to you?

To Read:
http://grammar.yourdictionary.com/capitalization/10-rules-of-capitalization.html (like Iranians, Instagram,...)

http://www.englishteachermelanie.com/understanding-so-and-too-english-grammar-lesson/

http://englishteststore.net/index.php?option=com_content&view=article&id=14422:excited-vs-exciting-test&catid=260&Itemid=120