Expansion is a social code. Expansion refers to expansion and addition, and columns refer to friends list. Simply put, asking if you can add friends is a common word on the Internet.

Before the second column cleaning, the column expansion originated from Li's bar. Bar members are forbidden to leave any contact information, and all posts of dating types will be blocked by administrators, so members in the bar call dating posts "expanding columns", which later evolved into some commonly used code words after 95-05.

Extended data:

Performance of Extended Columns:

As the source of "expanding the column", Li is an online writer who is good at QQ space and personalized signature. The phenomenon of "expanding the bar" is also closely related to QQ.

The first is QQ expansion group. The general purpose of group expansion is very simple and rude, that is, to add friends to the members. It is usually initiated by the group owner. The first group members are friends of the group owner, and then the number of users is divided according to the incentive mode of "pulling 20 people to manage and changing management regularly". In such a group, teenagers mainly seek attention and add friends.

Expansion groups can be divided into "secondary expansion groups" and "tertiary expansion groups". The former combines animation, ancient music, handicrafts and the secondary culture of some teenagers to form a group, while the latter usually aims to increase the number of friends, personalize signatures, talk and praise each other in the journal.

Some people will print out their qq number QR code after 00 and post it in every corner of the campus to expand the list.

References:

Baidu Encyclopedia-Extended Column