Comparing tweets: illumina -vs- Affymetrix

What do illumina and Affymetrix twit about?

Affymetrix and illumina are two US based companies offering technologies for high-throughput genotyping, and they both compete with regards to their product lines. They also have presence in twitter, and they actively post about a number of different topics. Since I was curious about the illumina tweets and the Affymetrix tweets, I decided to do a quick twitter analysis in R and get a comparative wordcloud. The size of the words reflect their frequency. The color indicates that a given word is used more by the corresponding company.

In addition, we can also make a commonality cloud to see what terms are shared in the tweets of both firms.

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