In 
modernAdd an article
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  world, some people thought that 
schoolFix the agreement mistake
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  should prohibit 
usageCorrect article usage
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  of 
cellphonesCorrect your spelling
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  during the lesson, 
, others thought that 
 can use their 
phoneFix the agreement mistake
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 . From my point of view, 
usageCorrect article usage
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  of mobile 
phoneFix the agreement mistake
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  has beneficial 
 detrimental effects 
toChange preposition
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  pupils. 
 essay will discuss both 
of Change preposition
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 sideFix the agreement mistake
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  and give my personal opinion 
in Change preposition
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 . 
 with, it is undeniable that mobile phones are giving many of 
informationsChange the wording
information
pieces of information
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  and 
knowledgesChange the wording
knowledge
pieces of knowledge
bits of knowledge
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  to 
 through the 
internetCorrect your spelling
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 . Thanks to 
 combination, they will access many educational websites, 
 as YouTube, Google and Instructure 
moreoverChange the capitalization
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 , 
 can 
 share their opinions and 
informationsChange the wording
information
pieces of information
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  in applications. 
, their general knowledge and intellectual qualifications will definitely increase considerably 
, it helps to time saving. 
 utilizing digital 
gadgetFix the agreement mistake
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  is disturbing attention during classes 
alsoCorrect word choice
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  affects their 
 condition in 
badChange the article
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  way. To put it another way, if 
 are using their 
 for knowledge not only but 
 video games, Facebook and Instagram, it 
distractChange the verb form
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  them from learning 
, their 
 condition will 
be deteriorateChange the verb form
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 . 
, always seeing in close things is bad for eye 
 especially 
itCorrect word choice
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  influences farsightedness in teenagers. 
In conclusion, 
UsageCorrect article usage
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  of mobile 
phoneFix the agreement mistake
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  has 
goodCorrect article usage
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  educational side but 
 has 
disadvantageFix the agreement mistake
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  to 
 conditionFix the agreement mistake
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 . In my opinion, under guidance and 
 we can decrease the downsides.