Question: the ability to work on files at the same time as others is called
[{'answer': 'real - time collaborative editing', 'provenance': [{'wikipedia_id': '1963417', 'title': 'Collaborative real-time editor', 'start_paragraph_id': 15, 'start_character': 23, 'end_paragraph_id': 15, 'end_character': 57, 'bleu_score': 1.0, 'section': 'Section::::Technical challenges.\n'}]}, {'provenance': [{'wikipedia_id': '1963417', 'title': 'Collaborative real-time editor', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 588, 'bleu_score': 0.894906608056744, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8548601825501064088}, 'section': 'Section::::Abstract.'}]}]