Long Exposure Photography - using a long-duration shutter speed to sharply capture the stationary elements of images while blurring, smearing, or obscuring the moving elements

Light Painting - technique in which exposures are made by moving a hand-held light source or by moving the camera

Solargraphy - technique in which a fixed pinhole camera is used to expose photographic paper for an extremely long amount of time

Calotype - early photographic process introduced in 1841 by William Henry Fox Talbot, using paper coated with silver iodide

Original

Internet Silhouette 

Original 

Metadata - Data about data. Metadata describes how and when and by whom a particular set of data was collected, and how the data is formatted.

DPI - measure of spatial printing or video dot density, in particular the number of individual dots that can be placed in a line within the span of 1 inch (2.54 cm)

PPI - measurement of the resolution of devices in various contexts

5 Pros of Print Photo: 

1) Printing your own photos at home is a convenient and quick


2) With simple photo editing techniques and limited skill, you can produce some add effects before you print them

3) You control the quality and finish of paper you use

4) Professional photo printing shop can do a great job for you and offer basic printing at a price that aren't too expensive.Also it saves you the hassle and they're adept at improving poor quality images and offering a good range of papers and finishes

5) Choose black and white or color

5 Cons of Print Photo:

1) Not straightforward 

2) Expensive to print your own photos at home.  If you need really high quality images, the sort of printer you’d need would be really expensive to buy 

3) High cost of the ink and paper 

4) Easier to go to a shop

5) Having to go to a shop, waiting to have your photos printed limited choice of paper type and finish
http://www.photopaperdirect.com/blog/?p=264


5 Pros of digital photo:

1) Immediate
2) Easy to change
3) Easy to distribute
4) Lighter cameras
5) Memory cards store more than rolls of film


5 cons of digital photo:

1) Higher initial cost of the camera
2) Need for a computer to process the digital photographs
3) Battery life as compared to the life of the battery inside a film camera
4) Longer shutter lag on many digital devices
5) Complex for new users

http://natalieroe7.blogspot.com/2012/10/pros-and-cons-of-film-vs-digital.html