DC Comics has just revealed the title to an episode for Season 3 of Arrow.
DC Comics tweeted that the episode will focus on Felicity's backstory.
It's possible that Felicity might know Barbara Gordon, aka Batgirl and Oracle in the comics.
Barbara Gordon first appeared as Oracle as a member of the Suicide Squad in the DC Comics as a computer hacker. Maybe she taught Felicity her computer skills.
Here's the tweet: