the advantages of this 1. you can search things on Google 
2. you can save work to your computer 
3. you can save the environment
4. you will save money if you use a computer
5. you can spell check your work 
6. you can find ways of making your work better

the disadvantages of this is
1. your computer might turn off  
2.  you  might get a virus or the computer might break  
3. the screen might lock 
4. you might save loads of work then delete the folder by mistake 
5. you might not have time to save 
6.you might not  save your work

   
i use Facebook to chat to people i know and around the world and it uses WIFI and anyone can message me on things like facebook twitter and my space