Heartbleed is a flaw in OpenSSL, an open-source encryption technology that is used by an estimated two-thirds of Web servers. It is behind many HTTPS sites that collect personal or financial information.
To be precise, the coffeehouse genre is more of a combination of all the genres that can be played in a coffee house. Pay attention to the music that plays when you are hanging around at your favorite coffee shops.
Jazz is a type of music that was invented around 1900 in New Orleans in the south of the USA. There were many black musicians living there who played a style of music called blues music. Blues music was influenced by African music (because the black people in the United States had come to the United States as slaves.