Disclaimer: I work here. Thanks @wdewind! We do too. We had a field day playing with the data. We actually have thousands of features and these are just some of

Disclaimer: I work here. Thanks @wdewind! We do too. We had a field day playing with the data. We actually have thousands of features and these are just some of the most simple signals. We're really careful not to disclose some of our more complex (and powerful) ones - but I can say that we statistically model patterns such as position of digits in email address, page visit sequence, etc.