The rethink could be necessary because rethink app is a way to stop cyberbullying is a online type of bullying by social media or even a text message. The app is necessary to help to think before you send a message out to hurt someone by saying mean things about them. For example Gabby Douglas was cyber bullied on twitter because she didn't put her hand over her heat during the olympics after winning the gold medal then twitter blow up with #CrabbyGabby. If the people that put out those tweets about Gabby should have used the rethink app to go the steps before sending them messages on Twitter. Therefore the rethink app could be necessary could help millions it people from hurting him or herself maybe even
