A message from our CEO about the future of Stack Overflow and Stack Exchange. Read now.
    Tweeted twitter.com/#!/StackUX/status/609919424330600448
2 edited tags
| link
source | link

Can tags have hierarchy?

Does anyone have experience working with nested tags? I could not find any websites that allow users to have hierarchies in their tags (equivalent to non-mutually exclusive categories). Is it a bad practice in general? If so, why?