…firms circa the early 2000s, you might be forgiven for assuming the humble vowel was going extinct. Flickr, Grindr, and Tumblr all launched within a few years of each other, each one seemingly forgetting to bring the letter “e” along with them. Since then, a whole host of companies have followed suit — Scribd, Pixlr, Blendr, and Mndfl, to nam…