An envelope!
an Envelope EDIT: My deepest Canadian apologies to those who are calling this a riddle. I always took it as a cheesy joke
What's up Doc ' Check for bugs in your system.
An instagator!
Tennish
Because 6 8 9
not 1 not 2 not 3 not 4 not 5 not 6 not 7
End your text with "this message will self destruct in 10 seconds"
This is the end of me !
Letterhead and envelopes. No matter how hard you try, they remain stationery!
Seals.