Record MRT call-outs due to beauty spots postings on social media and over reliance on mobile phones (which can run out of power) & poor quality apps. Personally, I use the OS app which is excellent but always back up with the paper versions plus compass.

https://www.theguardian.com/world/2025/apr/16/record-high-british-mountain-rescue-callouts-social-media-map-apps