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whatamp;#39;s up guys this episode weamp;#39;re going to be building one of my favorite features from Gmail which is the undo button so I want to be able to create say a message in my rails app and then when I click publish and send I want to actually send out the notifications but I want to give myself some leeway time so that I can click undo to fix any typos or mistakes that I noticed after I click send so what weamp;#39;re gonna be doing is weamp;#39;re gonna be building a message scaffold in our rails app so that we have a model to send weamp;#39;ll write our messages in there and then weamp;#39;ll create a background job to go send the notifications out but those wonamp;#39;t run into like 30 seconds afterwards so weamp;#39;ll give us a few seconds to go and say you got 15 seconds to hit the undo button and then go back and we will clear out that background job so it doesnamp;#39;t run and then weamp;#39;ll go ahead and create that updated version of your messag