WhatsApp is the most popular messaging app on the planet ...but the Meta-owned app now hopes to become your go-to Artificial Intelligence (AI) assistant. Whether you want a quick summary of a dense PDF or some help with a complex spreadsheet, WhatsApp could soon let you drop these documents into the chat for help.

The feature isn't available yet, but the keen-sighted team at WABetaInfo…

"This message will self-destruct in five seconds..." announced the briefings in every instalment in the _Mission: Impossible_ franchise, destroying any evidence of the task assigned to Ethan Hunt. And now, WhatsApp hopes to recreate the same functionality with an upcoming tweak to its chat app.

It's hoped the new self-destruct feature will supercharge privacy for your messages.

The…