NaDrew's Journal: [r]Two Experts Advise on Google Wallet

Now that Google has confirmed their online payment system, Sam Sugar of SugarBank has published an Open Letter to Google, suggesting that Google could pick up a huge amount of business processing adult Web site transactions--the kind PayPal have dropped since being acquired by eBay. He writes:

You run the single most important website online and, by extension, the most important website for people selling adult material.

Google is porn friendly. You provide tools to allow people to view adult images in their search results, there appear to be no restrictions on the type of products that can be found via Froogle, and a great number of the blogs you host (at blogger.com) contain adult material.

This is good business. Though you dont publish your most popular searches, Id bet dollars to donuts that sex and porn consistently make your top-ten, giving some indication of the average Google users interest in sexuality.

Note that while this particular article is work-safe, much of the content on SugarBank is NSFW.
On the other hand, PayPal founder Max Levchin spoke with The Register about dealing with transaction fraud:

The advantage that PayPal has, which may be difficult even for Google to stomach, though, is an enormous (at this point) amount of data: good transactions, bad transcations, and variables to describe those, and the only way you can get that data (which has to be specific to your particular type of transactions, etc) is by letting bad transactions go through your system and learning from that. And that hurts!