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A new chapter of “digital Bangladesh” began through the introduction of fourth-generation (4G) mobile internet in the country on Monday.

Mobile phone operators started offering the fastest internet services immediately after receiving the 4G/LTE licence in the evening from the telecom regulator at a ceremony, reports BSS.

Posts, telecommunications and information technology minister Mustafa Jabbar handed over the licenses to state-owned Teletalk, Banglalink, Grameenphone and Robi.

Facebook has introduced a set of changes designed to empower members to protect their account information. The company has been at the center of an unrelenting firestorm following revelations that it allowed Cambridge Analytica to mine private data belonging to 50 million of its users without permission, which Cambridge Analytica then leveraged for political purposes.

Facebook on Wednesday outlined new ways for users to adjust privacy settings on their accounts in an online post written by Chief Privacy Officer Erin Egan and General Counsel Ashlie Beringer.

As smartphones and other digital devices get smarter and more numerous — and as the applications they run generate ever more data — the wireless network that connects them must change to keep pace. That’s why telecommunications giants like Verizon, AT&T, and Sprint are racing to roll out the fifth generation of wireless network technology.

Although some have criticized 5G for its high projected cost, there’s wide agreement that the emerging technology will bring faster, more reliable connections for users. It could also provide the extra bandwidth needed to create what’s being called the “Internet of Things” — a network that links not just phones and computers but also robots, cars, and all manner of sensor-equipped consumer products and infrastructure.

5G could even usher in a new era of “smart cities” in which energy grids, traffic signals, and emergency services are linked to reduce inefficiencies.