Imdb: Largest International movie database in the World

Imdb: Largest International movie database in the World


IMDb:- You might be wondering what actually is “IMDb“. Well, IMDb, also known as “Internet Movie Database” is an online database of information related to world films, television programs, home videos and video games, and internet streams, including cast, production crew, personnel and fictional character biographies, plot summaries, trivia, and fan reviews and ratings., Inc., a subsidiary of Amazon owns this database.

Imdb: Largest International movie database in the World


The Origination of IMDb

IMDb, now a subsidiary of Amazon. Launched at about 31 years ago, on 17 October 1990. IMDb originated with a Usenet posting by British film fan and computer programmer Col Needham entitled “Those Eyes”, about actresses with beautiful eyes.

Other volunteers with similar interests soon responded with additions or different lists of their own. Notably, in October 1990 when someone on a USENET group asked:

Does anyone out there have a Unix or C program which can ‘interrogate’ the actor/actress files? What I want to be able to do is to type in an actor/actress’ name and get out a list of all the films which they appeared in. Similarly, typing in a film name would give a list of all the actors/actresses who were in that film.

On October 17, 1990, Col Needham developed and posted a collection of Unix shell scripts which could be used to search the database of movie data, and thus the database that would become the IMDb was born.

IMDb was incorporated in the United Kingdom as an independent company, in 1996, becoming the Internet Movie Database Ltd. With founder, Col Needham becoming the primary owner.

Today, IMDb claims more than 200 million unique monthly visitors across the Web and mobile, with over 180 million “data items,” three million movies, TV programs, and six million cast and crew members.

IMDb, becoming a subsidiary of Amazon

Founder, owner, and CEO of, Jeff Bezos, as explained by Col Needham. Amazon which was primarily a bookseller, but had planned on moving from selling books to other things, was looking for a company to partner with.

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Struck a deal with Col Needham to buy IMDb and other two companies (U.K.-based Book pages and Germany’s Telebook which were local online bookstores in their respective countries). The combined value for the acquisition of the three companies was approximately $55 million.

IMDb also acquired two companies itself in 2008, “Box Mojo” and “Withoutabox“. “Box Mojo” which is aimed at tracking movies box office revenue. While “Withoutabox” intends in helping indie filmmakers distribute their wares. d Its first official foreign language version with the German was launched, also in 2008.


IMDb, under its parent coming, Amazon, increased its functionality. IMDbPro was announced and released. IMDbPro, a subscription service aimed at entertainment professionals. It provides a variety of services including film production and box office details, as well as a company directory.

A yearly fee is paid for this service. $149.99 is paid annually to access its services. Which can also be paid monthly, $19.99. This fee gives them membership in IMDbPro. Members can post their own resume and upload photos of themselves.

As additional goad for users. Users identified as one of “The top 100 contributors” of hard data received complimentary access to IMDbPro for the following calendar year, in 2003. In 2006, it was increased to “top 150 contributors”.

And then “top 250 contributors” in 2010. Though anyone could register as an IMDb user and contribute as well as view its content. However, those with IMDbPro access have greater privileges.

How does IMDb make money?

IMDb generates revenues from different sources. The first revenue would be advertising. Second would be their paid service: IMDbPro.

Aimed at entertainment professionals. Another source is its publicity photos section. Here, people in the industry pay to upload their own photos.

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Production companies can also upload their movie posters or behind the scene photographs to promote their movie. Users get to pay $35 for publicity photos.

A one-off payment that lasts forever. While IMDbPro is $12.95 per month or $99.95 annually.

How does IMDb calculate ratings of a movie?

IMDb rates its movies according to individual ratings. Only IMDb registered users can cast ratings. They uses a formula to calculate the top rated 250 movies.

The formula provides a ‘Bayesian estimate’, which takes into account the number of votes each title has received, minimum votes required to be on the list, and the mean vote for all titles.

WR = (v ÷ (v+m)) × R + (m ÷ (v+m)) × C


W = weighted rating
R = average for the movie as a number from 1 to 10 (mean) = (Rating)
= number of votes for the movie = (votes)
M = minimum votes required to be listed in the Top 250 (currently 25,000)
C = the mean vote across the whole report

Bottom 100 is an added feature which is gotten through the similar process. Only 1500 votes must be received to qualify for the Bottom 100 list.

How do I vote IMDb?

IMDb voting process isn’t really complicated. It is easy and straightforward.  You only need to be an IMDb registered user.

You just have to navigate to the title you want to vote on. The average user rating will show at the top of the screen with yellow stars.

Click the star to the right and click the number of stars to save your rating. IMDb rating scale from 1 – 10. With 1 meaning the most terrible you have ever seen. And 10, excellent.


Click HERE to read more on IMDb voting process.


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