*summary*
 | Result of survey about smartphone・cell phone |
・over 90% high school students have smart phone.
・students use “LINE” to communication.
・May be not able to study.
・20% students use smartphone over 3 hour.
・Some people have trouble using martphone.
・You worry about a computer virus.
・You may catch a lot of junk mail.
・There are many people who don’t know smartphone and cell phone rates myself.
・smartphone of low-priced rates are advent.
・people use smartphone to do text message and call and online.
・some people use smartphone to study.
・people who use LINE and YouTube are so many.
・you must be careful because your massage may be not able to erase.
