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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
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Updated. Thanks.
Hear, hear! Not using the Oxford Comma ranks with asinine behavior such as not using a turn signal or standing on an escalator. An excellent example of the problem with omitting the Oxford Comma can be found in a line from an actual Times of London story: "Highlights of his global tour include encounters with Nelson Mandela, an 800-year-old demigod and a dildo collector." Without the comma after "demigod", the sentence can certainly take on an unintended meaning. The Oxford Comma never causes any harm, but can often offer clarity. LONG LIVE THE OXFORD COMMA!!!!!
You can look at other's solutions to see their approaches ;-)