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Streaming live video from a wearable camera to a website. Over the years, numerous types and sizes of cameras, computers and wireless systems were stitched together to create wearable cameras; however, today's lifecasters use small, dedicated lifecasting cameras to log activities. Also called "livecasting," "lifelogging," "lifeblogging," "glogging" (cyborg logging), "personal casting" and "mobile blogging" (see moblogging), there are tens of thousands of lifecasters worldwide.

Steve Mann - The First Lifecaster
In the late 1970s, Steve Mann was the first person to transmit his daily view of the world in real time to the Internet. Later, as a professor in the Department of Electrical and Computer Engineering at the University of Toronto, Mann was instrumental in creating the predominant site for "glogger streaming" and developing wearable cameras (for more information, visit See sousveillance and Webcam.

Left: 1980 - Right: Late 1990s
In 1980, with an Apple II in a backpack, a video camera on his helmet and using his own radio protocol, Steve Mann lifecasted wherever he could install his wireless base stations to gain access to the Internet. Some 20 years later, he wore an eyeglass camera connected to a computer embedded in the fabric of his undershirt, both of which he invented. His left hand holds a remote control. (Images courtesy of Steve Mann.)

A Whole Lot Smaller
Point-of-view (POV) cameras have come a long way from the Apple II on Steve Mann's back. This small GoPro camcorder takes HD videos and can be attached to the body via several mounting accessories. (Image courtesy of Woodman Labs, Inc.,

Smaller Yet
In 2013, Memoto introduced a tiny shirt camera (orange square) that stores up to 4,000 pictures over a two-day period on a single battery charge. (Image courtesy of Memoto AB,
References in periodicals archive ?
set - 1 Task 8 - Delivery of physical activity logger with the reader and software: - Set to record physical activity and measurement of light intensity type Actiwatch (AW2) (or equivalent) - 1 set.
The Positional Activity Logger Version 1 (a), is a lightweight, battery-operated, automated position sensor, which measures the frequency and duration of uptime versus downtime (sitting or lying) (Eldridge et al 2003b).
Participants wore the activity logger for three consecutive days, including a weekend day (or public holiday).
Physical activity was measured as uptime using the Positional Activity Logger Version 1.
The activity logger reset itself during data collection from two participants, resulting in data being lost.
One participant requested that the activity logger be removed so that she could have a bath.
asp to read about or test the Activity Logger or SSPPYY Software.
A recent innovation in the quantification of upright mobilisation has been the development of the Positional Activity Logger (a).
Within 24 hours of surgery, and prior to commencement of upright mobilisation, an activity logger was attached to the thigh where it recorded data continuously for the first four postoperative days before being removed on the morning of Day 5.
The battery-operated activity logger (90 x 54 x 18 mm) was adhered to the lateral aspect of the right thigh and recorded uptime when the thigh was in a position greater than 45 degrees to the horizontal axis (ie, during standing and walking).
On each day the activity logger was worn, participants were asked to describe their pain relief during mobilisation as adequate or inadequate.