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Tag: technical knowledge
Do you know when the first smartphone was launched? It was not at all like today’s phone
[ad_1] World First Smartphone: Smartphone has become an important part of our life today. It is…
The first alarm clock looked like this, it used to ring only at 4 o’clock, why?
[ad_1] First Alarm Clock: Today we all have a clock option in our smartphone to set…