Netflix's chart tells the story of a stock that has been basically flat with two huge surges:
Or does it? Let's look at NFLX's chart logarithmically.
If you have $100 and gain $20, you have a nice gain in percentage terms. If you have $1,000,000 and gain $20, you do not have a nice gain in percentage terms.
Looking at the (Captain's) log shows similar percentage moves visually the same. A 10% move in 2004 looks the same as a 10% move in 2013.
And knowing is half the battle.