The thing i don't get: this seems like a useful but rarely used tech. Even if there are patents involved , i'm sure it's not patented everywhere around the glo

The thing i don't get: this seems like a useful but rarely used tech. Even if there are patents involved , i'm sure it's not patented everywhere around the globe, and it's just software, so why isn't there no real competition ? something like a reasonably prices SAAS service ?