What is a splash ball? What can I do with the Glug group?

You can use thump in many situations, such as:

1. Old classmates haven't contacted for a long time, so build a classmate group and let old classmates chat together by SMS;

The company should keep communication at all times, but people are always on business trips. What should I do? Building a company group, everyone can communicate at any time, fast and convenient;

It's troublesome for friends to get together and discuss where to eat. Let's build an activity group so that we can discuss the time and place of the party together.