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Recently I had a friend catch her man red-handed, cheating on her. I say red-handed because it was his phone that did him in. How did he get away with it for so long? An app on his phone that was essentially hidden in plain sight.

If you suspect your partner is cheating what is the first thing you do before you confront them? You collect evidence. At least this is what I did in the past. I acted like Elle Woods trying a murder case. Besides checking their whereabouts and their credit card transactions you check their text messages, Facebook messages, and even their Snapchat best friends list. One should ALWAYS look into the best friends list on Snapchat. Although messages on Snapchat automatically disappear once the message is read, the best friends list doesn't lie.

However, my friend didn't catch her man cheating because of Snapchat or Tinder, she caught him cheating on WhatsApp. The app became one of the biggest messaging platforms in the world in what felt like an overnight success. According to Oberlo.com, WhatsApp boasts over 2 billion users worldwide. So it's no wonder why so many Americans use WhatApp daily, everyone else is doing it. However, one thing that many people don't know is that just like Snapchat, all chats will automatically erase.

This wasn't part of the app when it was first created, however they snuck that in there this month. Theverge.com claims that the app will make all messages disappear after 7 days. It was an announcement that probably encouraged several cheaters to start using the app.

If you suspect your partner may be cheating on you, run a simple search on their phone for WhatsApp app on their phone. Female dating website Her Norm gives several suggestions on how to spot your partner cheating using WhatsApp: You may just find a bunch of numbers and contacts that you didn't know your partner was so close and chummy with. You may notice that they are using the app a lot more than they used to or are acting strangely.

However, HerNorm does make one point very clear: be sure your partner is actually being unfaithful before throwing out accusations. Otherwise, irreversible damage could be done to your relationship.