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Download Hadoop MapReduce from http://hadoop.apache.org/mapreduce/releases.html into directory <HADOOP_HOME>
Checkout this project from github.
The input directory contains files with data in format: <college_acronym>;<facebook_college_page_url>

Run mvn package to create the jar:
$>mvn package

To run standalone:
$><HADOOP_HOME>/bin/hadoop jar target/facebookBuzzCount-1.0-SNAPSHOT.jar com.thoughtworks.FacebookBuzzCount input output

With the given input, the output directory should contain total counts for each college:
$>cat output/*
bc	39562
clemson	73383