Google have started promoting porn and gambling on seemingly innocent terms! No I am not joking or spreading some rumour to gain links. I happened to be looking for a (London) tube map the other day and lazily typed in "tube". 

Below are screenshots of the results:

If google are going to pontificate to the rest of us then surely it should get its own house in order.

Matt Cutts in this post says "In general, we’ve seen that users usually don’t want to see search results (or copies of websites via proxies) in their search results."

So why then are google returning google maps search results?