In many countries, paying for things using mobile phone (cellphone) apps becoming increasingly common. Does this development have more advantages or more disadvantages?

Dear Manager, I am writing to explain you some difficulties, which I am feeling since last month, and I would like to inform you. I am working a part time job with you in the evening and doing my master in software programming in the morning and that is not to cover my financial problem, it also can accomplish my skills in my field. But there are many troubles with the computer system here. First of all, they are not fully equipped with hardware and secondly not enough updated software in it. Basically we are working for many famous companies to provide them software and also we assist them in case of any troubleshooting. Consequently, if the company provides the latest machines with updated software to their workers, it will not be merely expedient for the company reputation and progress. It can also give an edge to the Programmer, Designer and Hardware/Network Engineer to learn and work well for the company clients in a better way. In this way, we can save our plethora of time and in output we can give fascinating work. I am looking forward to your passing my suggestion to higher management and hopefully they will take some corrective and optimistic action as soon as possible. Yours sincerely, A.I.N