>since DDG isn't open source like searx, how do we know there is ANY truth to their marketing claims? You wouldn't know this even if it was open source. Open s

>since DDG isn't open source like searx, how do we know there is ANY truth to their marketing claims? You wouldn't know this even if it was open source. Open source does nothing here. Looking at the source code will not tell you their data retention policies or what is actually stored in their databases. It will also not guarantee the source that you see matches what is on their servers.