Interactivity

Across the many fields concerned with interactivity, including information science, computer science, human-computer interaction, communication, and industrial design, there is little agreement over the meaning of the term interactivity, although all are related to interaction with computers and other machines with a user interface.

Multiple views on interactivity exist. In the "contingency view" of interactivity, there are three levels:

One body of research has made a strong distinction between interaction and interactivity. As the suffix 'ity' is used to form nouns that denote a quality or condition, this body of research has defined interactivity as the 'quality or condition of interaction'. These researchers suggest that the distinction between interaction and interactivity is important since interaction may be present in any given setting, but the quality of the interaction varies from low and high.

Cristiano Ronaldo

Cristiano Ronaldo dos Santos Aveiro, GOIH (born 5 February 1985), known as Cristiano Ronaldo (Portuguese pronunciation: [kɾɨʃtiˈɐnu ʁuˈnaɫdu]), is a Portuguese professional footballer who plays for Spanish club Real Madrid and the Portugal national team. He is a forward and serves as captain for Portugal. By the age of 22, Ronaldo had received Ballon d'Or and FIFA World Player of the Year nominations. The following year, in 2008, he won his first Ballon d'Or and FIFA World Player of the Year awards. He then won the FIFA Ballon d'Or in 2013 and 2014. In September 2015, Ronaldo scored his 500th senior career goal for club and country.

Often ranked as the best player in the world and rated by some in the sport as the greatest of all time, in 2015 Ronaldo was named the best Portuguese player of all time by the Portuguese Football Federation, during its 100th anniversary celebrations. He is the first player to win four European Golden Shoe awards. With Manchester United and Real Madrid, Ronaldo has won three Premier Leagues, one La Liga, one FA Cup, two Football League Cups, two Copas del Rey, two UEFA Champions Leagues, one UEFA Super Cup and two FIFA Club World Cups.

Joe Penna

Joe Penna (Birth Name Jônatas de Moura Penna) (born May 29, 1987 in São Paulo), known online as MysteryGuitarMan, is a Brazilian filmmaker. He currently resides in Los Angeles, California.

YouTube

Penna maintains the YouTube channel MysteryGuitarMan. He uploads one or two videos every month. He is a member of the Big Frame network, and participated in the network's BAMMO channel. In January 2011, he was the most subscribed in Brazil.As of September 2014 his channel has over 2.8 million subscribers, and his videos have been viewed over 340 million times. On February 18, 2010, Penna started a second YouTube channel, jp, where he uploads his making-of videos and vlogs. Within 6 hours, it became the third most subscribed channel in Brazil.

Press

In 2007, Penna received media coverage, including attention from DC Fox News, after his "The Puzzle" video was featured on the front page of YouTube.

In 2009, Penna was again seen on the front page of YouTube with his "Guitar: Impossible" video, which has been covered by De Wereld Draait Door, the highest-rated primetime show in the Netherlands. On December 6, 2009, Penna was featured on FM4, an Austrian national radio station. Shortly after uploaded, his "Guitar: Impossible" video was featured on the MSN.com front page.