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Although sharing city is by definition a "place-based" approach to understand sharing activities, and despite the fact that spatial proximity and configuration can affect the formation of sharing practices, neither the impacts of sharing activities on space nor the different spatial attributes, which in turn condition sharing activities and behaviors, have been adequately explicated. In this article, the sociospatial dimensions of sharing space are encapsulated through the following three vectors on different spatial scales—namely, urban sharing, sharing a living space, and shared social spaces—and described through the case examples of the dockless bikeshare program, sharing a domestic space, and the coworking space and hackerspace, respectively. These vectors are then framed as the contours of a general theory of sharing spaces.

Intro -- Foreword -- Acronyms -- Contents -- About the Authors -- Part I: The Year in Space 2017 -- Chapter 1: Global Space Policies and Programmes -- 1.1 Global Political and Economic Trends -- 1.1.1 Global Economic Outlook -- 1.1.2 Political Developments -- 1.1.2.1 Geopolitics -- North Korea´s Weapons Testing in 2017 -- US President Trump´s First Year in Office -- Brexit Developments in 2017 -- The Conflicts in Iraq and Syria -- Cyber Threats Growing and Growing More Severe -- 1.1.2.2 Environment -- 1.1.2.3 Energy -- 1.1.2.4 Resources -- 1.1.2.5 Knowledge -- 1.1.2.6 Mobility -- 1.1.3 Main Science and Technology Indicators Relevant for Space Activities -- 1.1.3.1 Research and Development Inputs: EU and International Expenditures -- 1.1.3.2 Research and Development Inputs: Corporate Activity and Policy Guidance -- 1.2 Worldwide Space Policies and Strategies -- 1.2.1 The United Nations System: UN Entities Relevant to Space Activity -- 1.2.1.1 United Nations General Assembly -- 1.2.1.2 UNGA Committees Including Space Within Their Purview -- The Disarmament and International Security Committee -- The Committee on the Peaceful Uses of Outer Space (COPUOS) -- 1.2.1.3 Other UN Bodies and Organs Monitoring Outer Space Activities -- International Telecommunication Union (ITU) -- Programmes Under the United Nations Office for Outer Space Affairs -- UN-SPIDER -- UN Programme on Space Applications (PSA) -- International Committee on Global Navigation Satellite Systems (ICG) -- United Nations Geographic Information Working Group (UNGIWG) -- Conference on Disarmament (CD) -- United Nations Institute for Disarmament Research (UNIDIR) -- 1.2.2 The Group on Earth Observations -- 1.2.3 Europe -- 1.2.3.1 European Space Agency -- 1.2.3.2 European Union -- 1.2.3.3 EUMETSAT -- 1.2.3.4 National Governments -- France -- Germany -- Italy -- The UK -- 1.2.4 The USA.

Intelligent Environments most commonly take a physical form such as homes, offices, hotels, restaurants, shops, that are equipped with advanced networked computer based systems, which enable better or new lifestyles for people. However, Intelligent Environments can also take the form of virtual online spaces such as SecondLife, which can both mimic the real world and provide functionalities which could not be provided in reality, such as advanced simulations and movement. There is the growing trend for people to spend more time in such virtual environments and, to these ends, this work in progress paper reports on a new project, +Spaces which is developing a range of virtual world tools for e-government applications, and presents some of the concepts and technical challenges involved in creating these intelligent virtual spaces for e-government. © 2010 IEEE.