A pitch is basically delivering a business plan verbally. Typically it takes the form of an entrepreneur or group of entrepreneurs presenting or describing their ideas to prospective investors. If you are interested in startups, watch speeches from WikiStage events or speeches from other conferences that we selected for you.
The most accurate definition of the open data says that open data presents data that can be freely used, re-used and redistributed by anyone - subject only, at most, to the requirement to attribute and share alike. The main characteristics of open data are: availability and access, reuse and redistribution, and universal participation.
Social entrepreneurship is the attempt to draw upon business techniques and private sector approaches to find solutions to social, cultural, or environmental problems. While conventional entrepreneurs typically measure performance in profit, revenues, and increases in stock prices, social entrepreneurs also take into account a positive "return to society".