Mobile phones are one of the most commonly used gadgets in today's world. a, mobile phones have made our life easy and convenient. b, they are a blessing till we use them judiciously. c they are very beneficial, they have some disadvantages. d, excessive use of the device acts as a barrier to quality communication. e, mobile phones waste a lot of time. f, they are the causes of many ailments such as weak eyesight, strain on brain, headaches, dry eyes, sleeplessness and more. g, they have created a lack of privacy in people's lives. h, we see how the device is both a boon and a bane. i, we must not let mobile phones control our lives. j, we must know when to draw the line.