Has Blogdex been spammed?

Of the posts in Blogdex’s top ten today, #1 is an ad for the Columbia House DVD Club; #3 is a tie between six stock listings on Netster and something called NAQ; and #13 is a 34-way tie (probably more, but I couldn’t bring myself to click Next) between different discounthotels*.net listings.

I smell some changes coming to the authentication process at Blogdex.