To the best of my knowledge, those have been the same since 2007.
<3 is an emoticon, not txtspk, and emoticons are allowed within reason.
;-P
Now, I’d be very grateful if someone can tell me the meaning of: “We. Drink. Your. MILKSHAKE!” It does not seem to be a reference to Kelis’ song, Milkshake.
I never understood that “peppy comment” and figure it is referencing something that I’m too old to ‘get’.