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By total number of smartphone users, "China by far has the most, boasting 783 million users. India took the #2 spot with 375 million users (less than half of China’s number). However, that gap will decrease by 2021, when we expect India to have 601 million smartphone users.
It is common for each SIM card has a separate phone number, so phones with multiple SIM cards will have multiple phone numbers. As another caveat, some mobile phone numbers may be used by machines as a modem, such as intrusion detection systems, home automation, or leak detection, and some numbers may be used as a local micro-cell.
For a time, mobile phones and PDAs (Personal Digital Assistants) were the primary source of portable media from which we could obtain information and communicate with one another. More recently, the smartphone has rendered the PDA obsolete by combining many features of the cell phone with those of the PDA. [8]
The White House urged the FCC to force U.S. telecoms to improve security after nine were breached in the "Salt Typhoon" Chinese hacking campaign.
18 studies have been conducted on the link between cell phones and brain cancer; A review of these studies found that cell phone use of 10 years or more "give a consistent pattern of an increased risk for acoustic neuroma and glioma". [35] The tumors are found mostly on the side of the head that the mobile phone is in contact with.
Phone numbers also can be spoofed to mimic those of callers known to the target of voice cloning scams. In 2023, senior citizens were conned out of roughly $3.4 billion in a range of financial ...
Then there was “quiet quitting,” in which people chose to work as little as possible while still staying employed and probably applying for other positions. As 2025 approaches, a new trend ...
However, people who are very poor have very basic phones. Thus non-profit mobile technology is not aimed at advanced smart phones, but ranges from sending out bulk SMSs to USSD, mobi-sites and mobile communities. AppsAfrica [11] writes the next 1 Billion phone users will come from Rural areas. [12]