1969 US Open (tennis) 1969 US Open (tennis) The 1969 US Open (formerly known as U.S. National Championships) was a tennis tournament that took place on the outdoor grass courts at the West Side Tennis Club, Forest Hills in New York City, USA. The tournament ran from 28 August until 9 September. It was the 89th staging of the tournament, and the fourth Grand Slam tennis event of 1969. It was the last year at the US Open in which sets were decided by a two-game advantage before the introduction of the tiebreak in 1970. This championship was the first time in grand slam
Innovation system innovation system theory, innovation and technology development are results of a complex set of relationships among actors in the system, which includes enterprises, universities and research institutes. Innovation systems have been categorized into national innovation systems, regional innovation systems, local innovation systems, technological innovation systems and sectoral innovation systems. There is no consensus on the exact definition of an innovation system, and the concept is still emerging. Innovation is often the result of the interaction among an ecology of actors, and the term 'innovation ecosystem' is occasionally used to emphasize this. For some, the expression 'innovation ecosystem' is a subset