Now, I don't know if this is a coincidence (it very well may be), but my gut feeling tells me that the following is related to the global fiancial (banking) crisis connected to the sub-prime mortgage issues in the U.S.
Yesterday I received a phone call from American Express and today I got a call from Barcalys Card with both of which I have a credid card.
Both the cards I've had for 7 or 8 years and although I do receive regular mail advertising from both of them I've never had any phone calls. Now, within two days both of them have called and also my wife has received mail from her bank also about her credit card.
In both my cases Amex and Barclay Card tried to sell me extra services, both of which would lead to higher cost, or, from a bank perspective, to higher revenues. I may be wrong, but I am suspicious about the background as I believe that banks are under pressure to secure some revenue. Its though to lend money (which is what credit card companies do) if you don't have any and if you can't borrow any (which is becoming a problem at the moment). Hence, I am certain that credit card companies are under pressure to secure extra revenue to keep them in business.
Otherwise I can't explain how out of a sudden I've become so popular as a customer.
btw: Amex was trying to sell me their Platinum card (costing only € 500 per year) and Barclays Card wanted to sell some kind of insurance which would increase the interest rate by 0.8% - per month! Would have made the interest rate something like 28% per annum. Not that I intend to live on credit but that's horrendous!