As opposed to Whats App. The old greeting term - "How's it going ?" Heres a few others :

1. "How's it going?"
2. "How's everything?"
3. "What's the story?"
4. "What's the latest?"
5. "What's cookin'?"
6. "What's the word?"
7. "What's new, buttercup?"

The last one I've never heard...