All symptoms of leg pain caused by the conditions listed above are often referred to as sciatica. This is because the pain often radiates along the sciatic nerve, which originates with certain nerve roots in the low back and runs through the back of each leg into the foot.
Trackback - A method by which a blogger receives notification which other bloggers link to his or her blog entry
What is the Web Notifications API. The Web Notifications API is defined as an API for end-user notifications. A notification allows alerting the user outside the context of a web page of an occurrence, such as the delivery of email. The specifications donât describe how and where a UA should display these notifications.