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Just this weekend , Google gave many users another fifty invitations , prompting some to speculate that it could be the start of Gmail ' s final move out of beta .
 Google, many users, some
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 Google, many users, some