There was much excitement among a good number of Africans during Joe Biden's inauguration as President of the USA. Most of that glimmer of hope is mainly because he is not Donald Trump, another because the hope is that his Africa policy will be favorable.
If you look closely, most of the popular apps we use are effectively spyware. This becomes apparent when you study their Privacy Policies and start paying attention to the data they collect about you and your device.
The failure by African governments to deliver public services is leading to most of these services being privatized. As a result, this is potentially threatening the sovereignty of some African countries.
Despite promises over the years about its potential, Bitcoin is yet to live up to expectations as far as real-world use cases go. Currently, apart from speculation on its price and some using it as a "store of value," there's very little else it is used for.