one good point though (Score 1)

"Standards do matter. The principles of good English are always relevant." This is for damn sure. There's no excuse for being lazy because "it's just an email." However, 'despite conventional wisdom that "new terms often start as two words, then become hyphenated, and eventually end up as one word..."' I thought this was already the case with email, and that is has already been accepted as one word. The OED lists it as such (sorry for the UTF8): emailâ? (Ë^iË?meÉl). Computing. Also e-mail. l. Colloq. shortening of electronic mail s.v. electronic a. 3. ... oblique