1970 US Open (tennis) sudden death at 4-4. A red flag would be put up by the umpire’s seat to draw fan attention to the tiebreaker in progress. Most players disapproved of the tiebreaker but the visitors loved it. Ken Rosewall def. Tony Roche, 2–6, 6–4, 7–6, 6–3 Margaret Court defeated Rosemary Casals, 6–2, 2–6, 6–1 Pierre Barthès / Nikola Pilić defeated Roy Emerson / Rod Laver, 6–3, 7–6, 4–6, 7–6 Margaret Court / Judy Tegart Dalton defeated Rosemary Casals / Virginia Wade, 6–3, 6–4 Margaret Court / Marty Riessen defeated Judy Tegart Dalton / Frew McMillan, 6–4, 6–4 1970 US Open (tennis) The
Social innovation the nonprofit sector excluding both for-profit and public organizations. Both social entrepreneurship and social enterprise are important contributions to social innovation by creating social value and introducing new ways of achieving goals. Social entrepreneurship brings "new patterns and possibilities for innovation" and are willing to do things that existing organizations are not willing to do. Social innovation is often an effort of mental creativity which involves fluency and flexibility from a wide range of disciplines. The act of social innovation in a sector is mostly connected with diverse disciplines within the society. The social innovation theory of 'connected difference' emphasizes