For work I frequently need to look up information for patents. The specific data I need is spread around in multiple US Patent & Trademark Office databases. I created tool with Django/Python so I just have to copy/paste the patent numbers into a box and hit submit. It then returns exactly what I need in the exact format I need. It leaves me with more free time to play Cookie Clicker.
RCS the open standard does not support e2e encryption. Google’s proprietary extension of RCS, using Google’s Messages app and running on Google’s servers, does. Encrypted RCS is effectively Google’s version of iMessage.