atsign Punctuation in an e-mail address Part of a Twitter handle Neighbor of # and ! Name for the symbol "@": 2 wds Morse code addition of 2004 It's a little over 2 Email necessity Email address symbol Element of an email address @ Email address part Punctuation in an email address Part of many addresses It's just over 2 Symbol starting a Twitter handle Symbol in a Twitter handle Punctuation in email addresses