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Windows 8 surpassed Windows Vista in market share with a 5.1% usage rate according to numbers posted in July 2013 by Net Applications, with usage on a steady upward trajectory. However, intake of Windows 8 still lags behind that of Windows Vista and Windows 7 at the same point in their release cycles. Windows 8's tablet market share has also been growing steadily, with 7.4% of tablets running Windows in Q1 2013 according to Strategy Analytics, up from nothing just a year before. However, this is still well below Android and iOS, which posted 43.4% and 48.2% market share respectively, although both operating systems have been on the market much longer than Windows 8. Strategy Analytics also noted "a shortage of top tier apps" for Windows tablets despite Microsoft strategy of paying developers to create apps for the operating system (in addition to for Windows Phone).
When did Windows 8 surpass Windows Vistas market share?
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The answer: July 2013

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In addition to such annual festivals like Calle Ocho Festival and Carnaval Miami, Miami is home to many entertainment venues, theaters, museums, parks and performing arts centers. The newest addition to the Miami arts scene is the Adrienne Arsht Center for the Performing Arts, the second-largest performing arts center in the United States after the Lincoln Center in New York City, and is the home of the Florida Grand Opera. Within it are the Ziff Ballet Opera House, the center's largest venue, the Knight Concert Hall, the Carnival Studio Theater and the Peacock Rehearsal Studio. The center attracts many large-scale operas, ballets, concerts, and musicals from around the world and is Florida's grandest performing arts center. Other performing arts venues in Miami include the Gusman Center for the Performing Arts, Coconut Grove Playhouse, Colony Theatre, Lincoln Theatre, New World Center, Actor's Playhouse at the Miracle Theatre, Jackie Gleason Theatre, Manuel Artime Theater, Ring Theatre, Playground Theatre, Wertheim Performing Arts Center, the Fair Expo Center and the Bayfront Park Amphitheater for outdoor music events.
What venue in Miami is notable for hosting outdoor music?
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The answer: Bayfront Park Amphitheater

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Detroit is home to several institutions of higher learning including Wayne State University, a national research university with medical and law schools in the Midtown area offering hundreds of academic degrees and programs. The University of Detroit Mercy, located in Northwest Detroit in the University District, is a prominent Roman Catholic co-educational university affiliated with the Society of Jesus (the Jesuits) and the Sisters of Mercy. The University of Detroit Mercy offers more than a hundred academic degrees and programs of study including business, dentistry, law, engineering, architecture, nursing and allied health professions. The University of Detroit Mercy School of Law is located Downtown across from the Renaissance Center.
What research university is located in Midtown?
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The answer: Wayne State University

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It is an important source of renewable energy and its technologies are broadly characterized as either passive solar or active solar depending on the way they capture and distribute solar energy or convert it into solar power. Active solar techniques include the use of photovoltaic systems, concentrated solar power and solar water heating to harness the energy. Passive solar techniques include orienting a building to the Sun, selecting materials with favorable thermal mass or light dispersing properties, and designing spaces that naturally circulate air.
What are some active solar techniques used to harness solar energy?
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The answer:
photovoltaic systems, concentrated solar power and solar water heating