... being replaced with the letter "X." If they never brother to ... explain what "X" is, I assume that it ... that said word is now "X" and X is now "-insert definition ...
Chrome is what I use, not a bad option. Are you sure you didn't accidentally hit the volume switch? If it's x'd out, it means it's muted. You can also try clearing your cache:
http://7sage.com/clear-cache/
... : Conclusion - "Therefore, if Y happens, X will happen" (Y is the ... . E.g. "I never said X will always happen...I said ... , if Y happens, X will happens").