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Interesting facts about mobile phones
What is “pocket calls”? Why do mobile phones go on sale only ten years after development? And where are the mobile communication antennas hiding?
1. Clever Simon. The world’s first smartphone Simon weighed about half a kilogram. In 1993, he offered the possibility of sending mail and messages to a pager, as well as calculator functions and handwritten notes. IBM manufactured only 2,000 of these devices.
2. Simple but popular. Nokia 1100 became the bestseller among mobile phones – and for a long time among all gadgets. From 2003 to 2007, 250 million devices were sold. Continue reading
What is a QR code?
More and more often, we can see such codes on our streets: in advertising posters and booklets, on business cards or on the packaging of a purchased item. If you have not yet encountered such codes, then this means that you were simply not very attentive. Look around and I am sure that the QR code will surely catch your eye.
What is this code and how does it work?
The abbreviation QR is derived from the English words Quick Response, which translates as “quick response” or “quick response.” A QR code is a two-dimensional bar code that can contain a sufficiently large amount of encoded information (for example, up to 7089 numbers or 4296 letters and numbers). Continue reading
Say goodbye to plastic! The era of mobile wallets is coming
For half a century the civilized world does not think of life without plastic cards. However, having saved us from the need to mess with cash, “plastic” inevitably became a problem itself. Today, the average American carries only six bank cards in his wallet (and that is not counting all sorts of discount, etc.)! It is necessary to remember which and when to use, to pay for the issue and maintenance, to take care not to “light up” the room in a doubtful place. In short, there is a paradox: while remaining the pinnacle of financial and technical thought, the plastic card has simultaneously become a technological brake. Continue reading