Alexa Amazon rsquo s voice-controlled device has an interesting feature it can erase everything you say Whatever you rsquo ve asked Alexa to do whatever information you rsquo ve asked Alexa to retrieve one simple sentence ldquo Delete everything I said today rdquo sweeps it all clean as if it never happened It rsquo s too bad that the rest of our life doesn rsquo t have this capability Every misspoken word every disgraceful act every moment we wish we could erase mdash we rsquo d just speak the command and the entire mess would disappear There rsquo s good [... more]