看来chase想做些改变。survey里给出了蓝宝石卡不同的benefits，问更偏好哪一个。
当然，只是survey里的，可信度不高。
看到的比现在好的benefits有：
50，000 bonus points after $3,000 spend in the first 3 months.
5,000 bonus points when you add another cardholder.
primary protection for car rental.
If you spend $20,000 in a year, you will earn 5,000 bonus points.
If you spend $30,000 in a year, you will earn 10,000 additional points –
total of 15,000 bonus points.
看到的没现在好的benefits有：
30，000 bonus points after $1,000 spend in the first 3 months.
25，000 bonus points after first purchase.
Transfer to frequent travel programs at full 1:1 value for a fee of $50 per
transfer.
Transfer to frequent travel programs at full 1:1 value.
You will be charged an Airline Excise Tax Offset Fee of 75 cents per 1,000
points transferred (maximum fee per transfer=$99). For example, if you
transfer 40,000 points, you will be charged $30.
annual fee of $125/$150/$200
