Using an in-memory cache is the best option to boost your application performance while keeping costs low, says AWS - Speed matters. More than 63.1% of world's population access the internet on their smartphones, tablets, or other mobile devices, an increase of 178 million or 3.7%, since 2021 according to statistics compiled in July this year. The UK has one of the highest internet penetration rates in the world at 98%, where 90.2% of UK mobile users depend on fast, consistent Wifi or cellular connections. The prevalence of users using mobile devices has led to a massive proliferation of real-time applications, driving the urgency for databases to meet the demand of ultra-fast content delivery. In-memory data caches can take an application from fast to ultra-fast, giving users the desired instant response time for any application.