Chargers Shock Seahawks: Three Things We Learned

In an exciting game, the Chargers' offense dominated the defending Super Bowl Champion Seahawks. So, what'd we learn from the game?

The Chargers' home opener is versus the always-tough Seahawks. What should we know about this match-up?
Now that the 2014 preseason is over, how did the Chargers fare? What areas demonstrated great promise and which require serious attention?
Who should Chargers' fans and fantasy owners be aware of this season? Which player is likely to have a breakout season for the Bolts?