10784
The term is believed to have come about in the decade of the 2000 s , although the concept had existed considerably before then .
 the decade of the 2000 s
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 the decade of the 2000 s