If I$\text{'}$m going to talk about the post PC era Then it is trend that was happened during the $2000$ and early $2010.$ As a consequence there was declined do you use personal computers due to Many devices mobile phones tablets and so on$.$ Personally yes I think today we are in post PC era $.$ This is happened YouTube new mobile technology, Cloud computing And increasing the need of Services and information.Current Trends and Research$1.$Mobile Device Usage: According to a report by Statista, as of $2021,$ there were over $6\mathrm{.}4$ billion smartphone users worldwide, and this number is expected to grow. This indicates a significant reliance on mobile devices for both personal and business use$\mathrm{.}2.$Cloud Computing: Gartner's research highlights that cloud computing is becoming the backbone of modern business operations. By $2025,$ it is predicted that over $85\%$ of enterprises will have a cloud$-$first principle$\mathrm{.}3.$Internet of Things $($IoT$)$: The IoT market is expanding rapidly. A report by McKinsey estimates that the number of IoT$-$connected devices will reach $43$ billion by $2023,$ tripling from $2018\mathrm{.}4.$Artificial Intelligence $($AI$)$: AI and machine learning are increasingly integrated into business processes. According to a report by PwC$,$ AI could contribute up to $$15\mathrm{.}7$ trillion to the global economy by $2030.$Future Predictions$1.$Increased Mobility: Businesses will continue to adopt mobile$-$first strategies, with employees using smartphones and tablets as primary tools for communication, collaboration, and productivity$\mathrm{.}2.$Cloud$-$Driven Operations: The reliance on cloud services will grow, enabling businesses to operate more flexibly and efficiently. This will also facilitate remote work and global collaboration$\mathrm{.}3.$IoT Integration: IoT devices will become more prevalent in business environments, providing real$-$time data and insights that can drive decision$-$making and operational efficiency$\mathrm{.}4.$AI and Automation: AI will play a crucial role in automating routine tasks, enhancing customer experiences, and providing predictive analytics to inform business strategies.ConclusionWhile traditional PCs will not disappear entirely, their role in business computing will diminish as mobile devices, cloud computing, IoT, and AI take center stage. The next generation of business computing will be characterized by increased mobility, connectivity, and intelligence, enabling more dynamic and efficient business operations.Statista. $(2021).$ Number of smartphone users worldwide from $2016$ to $2021.$ Retrieved from StatistaGartner. $(2021).$ Gartner Forecasts Worldwide Public Cloud End$-$User Spending to Grow $23\%$ in $2021.$ Retrieved from GartnerMcKinsey. $(2019).$ The Internet of Things: Catching up to an accelerating opportunity. Retrieved from McKinseyPwC. $(2017).$ Sizing the prize: Whats the real value of AI for your business and how can you capitalise? Retrieved from PwC