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Twitter users face the embarrassment of seeing their online past resurrected.
Marilyn Ryan's profile photoAdnan Raza's profile photoMiguel “Red Pill Junkie” Romero's profile photoJyotsna Gokhale's profile photo
Not such an issue, facebook did this well with timeline
but on timeline, we can edit or remove our old messages, can't we?
who would want to its on the web and stays there for your granchildren to find one day good history of our world and its people 
Imagine after hundred years grand grand children checking the history of their grand parents :)
And unlike verbal communication or even physical abuse of past before the cell phone era, this is not deniable.
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