Why is Google doodling about ice cream sundaes?

A new doodle from Google claims it is celebrating the 119th birthday of the ice cream sundae. But what might be behind this curious subject matter?

Source: http://news.cnet.com/8301-17852_3-20050158-71.html?part=rss&subj=news&tag=2547-1_3-0-20

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