Many things can cause heart palpitations. In the vast majority of cases, the cause is either related to your heart or is unknown. Non-heart-related causes of palpitations include: Strong emotions such as anxiety, fear, or stress; palpitations often occur during panic attacks.
How to use Samsung AllShare on your TV and PC. Samsung AllShare, also called Samsung Link, is a service that lets Samsung devices, Samsung TVs and your PC access and share photos, videos and even music between themselves, streamed over any internet connection.
[ Editor's note: Since this story was posted in November 2013, Knox has seen several major updates that have corrected many of the issues identified here. Learn about the newst Knox in our recent coverage. ] It was February 2013 when Samsung announced Knox, its containerization technology for higher-end Samsung Android devices.