The crackle that sounds is most likely annoying and it isn't something Felicity meant to cause. If asked, she'll blame the Gideon. That seems like a good master plan at the moment. Either way, master plans aren't exactly the point right now, it's the fact that Barry seems to be in this weird mixed up reality too. That's important. Friends are important.

"You're telling me. I think I saw cavemen. Also, aren't you supposed to be doing the whole preparing to get married thing?"

That's it, no name, no hi. Just right to the multiple points.