FORTUNE -- At 9:36 a.m. Thursday, shortly after Samsung introduced the newest entries in its Galaxy smartphone line -- the 5.8-inch Mega and the 6.3-inch Mega -- Derek Kessler posted what may be the most viral tweet that wasn't about TV, celebrity, politics, sports, dieting, mysticism or a natural disaster.
It was a simple list of Samsung's Android screen sizes.
According to Kessler, a self-described design nerd, armchair pundit and professional ranter, Samsung has put out Android phones in 27 different screen sizes, ranging from the 2.8-inch Galaxy Pocket to the 10.1-inch Galaxy Note.
Apple (AAPL), by contrast, offers iPhones and iPads in four screen sizes: 3.5 inches, 4 inches, 7.9 inches and 9.7 inches.
By 6:36 a.m. Friday, Kessler's list had been favorited 1,252 times and re-tweeted 5,187.
Kessler's original tweet.
UPDATE: According to sources quoted by Christina Bonnington in Wired, screen sizes will level off as manufacturers reach the resolution capacity of the human eye. As it is, a study by Flurry Analytics found that nearly 70% of smartphone buyers choose devices in the 3.5-inch to 4.9-inch range.
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