Castle blocks neighbor spoofing robocalls instantly, simply enter the first 6 digits of the phone number and it's done, no need to access your contacts. At best, these calls annoy. At worst, they defraud to the tune of $20 billion a year. We're here to use AI driven tech to combat this epidemic. Last month over 3.5 billion robocalls were received we want to end this, with your help we can.