Assuming the numbers go from 0 to 9 (those included) and can be repeated, it must be 10 * 10 * 10 * 10 = 10000 combinations :-)
Assuming the numbers go from 0 to 9 (those included) and can be repeated, it must be 10 * 10 * 10 * 10 = 10000 combinations :-)
Both - they get donations and are funded by NLnet’s NGI0 Discovery Fund
It’s been deprecated (if you’re talking about Messenger Lite): https://www.howtogeek.com/facebooks-messenger-lite-app-is-leaving-android/