Suggestions for Stray Keywords?

As I was reading the list to you in class Thursday it occurred to me that I hadn't included the word "crowdsourcing," and that I did want to include. Another word like that is "flash mob." Do you have any other suggestions for Keywords that deserve inclusion in the list but are not there? If you do, post your suggestions in the comments to this post. I will consider all suggestions. If I like your suggestion, I will include it in the Keyword Supplement in the next post. Do not treat any suggestion as a Keyword until it is included in my List. Confine your choices to the list included in the Final Post and to the Keyword Supplement List I post and update myself.