[gregoriol]

It was the "whatsapp" around 2010: everyone had an account on it, was using it's name as a word, ... and it was working really well at a time when it wasn't so common to use video chat, smartphones, ...

The story only repeats again though, like MSN messenger almost a decode before. Which one will be next?

[TiredOfLife]

After Microsoft bought Skype they essentially rebuilt it on top of MSN messenger corpse

[seb1204]

ICQ not MSN Messenger I thought

[rad_gruchalski]

Msn messenger was the first one doing video calls 20 years ago. I remember that, 56k dial-up modem, msn messenger and talking to randos on the other side of the planet.