YouTube is the latest target for pranksters looking to amuse themselves. Today, May 20, has been deemed “Porn Day” by denizens of 4chan and eBaum’s World, with an organized group of users from the sites uploading video clips of explicit, adult content en masse in an attempt to overwhelm the search results. In actuality, it appears that content was prematurely uploaded on the afternoon of the 19th. YouTube has already taken some steps to fight back, but it’s disturbingly easy to find stuff you really don’t want to see, and the uploaders are changing tactics.

As one might expect, the pornographic clips are being uploaded without any indication that they’re for adult eyes only, making them easy to happen upon by casual searchers. As the upload-fest has progressed, users are also uploading what seems to be legitimate content, but is in fact a porn video that simply has 20-30 seconds of non-porn content (a newscast, an interview) at the beginning.

Previously, when you types a query into Google’s search box, the menu would drop down giving you a range of possible search terms and how many results each would return if you select that one. Clicking on any of those would take you to a results page. Starting today, when you start typing in the search box, the suggest drop down is populated with a number of interesting things including direct links to pages, personalized results and even sponsored ads.

For example, if you start typing “TechCrunch” into Google with this feature enabled, you’ll see the first result in the drop-down menu is an actual link to our site. That cuts out the results page middle-man and saves time. There won’t be hyperlinks populated for all queries, but ones where Google is pretty sure they know what you’re looking for, you should see them on, we’re told.

That’s a great feature — but it also opens the door for Google to do something potentially much more interesting. With hyperlinks now in Suggest results, Google can also start serving ads in the results drop-down. And it’s already experimenting with it for a limited number of sponsored links.

This is Google serving you ads before you’ve even done a full query — just based on what you’re typing. And it’s pretty genius because presumably, companies would bid to get placed in these drop-downs just as they do for search result pages. And the click-through on these things must be massive.

Security researchers say that Mac OS X users are vulnerable to a critical, 6-month-old, remote vulnerability in Java, a component that is enabled by default in Web browsers on this platform.

Julien Tinnes notes that this vulnerability differs from typical Java security flaws in that it is ‘a pure Java vulnerability’ and doesn’t involve any native code. It affected not only Sun’s Java but other implementations such as OpenJDK, on multiple platforms, including Linux and Windows. ‘This means you can write a 100% reliable exploit in pure Java. This exploit will work on all the platforms, all the architectures and all the browsers,’ Julien wrote.

This bug was demonstrated during the Pwn2own security challenge this year at CanSecWest, but the details were not made public at that time. Tinnes recommends that Mac OS X users disable Java in their browsers until Apple releases a security update.

As a Rutgers philosopher discusses robot war scenarios, one science magazine counts the ways robots are already being used in warfare, including YouTube videos of six military robots in action.

There are up to 12,000 ‘robotic units’ on the ground in Iraq, some dismantling landmines and roadside bombs, but ‘a new generation of bots are designed to be fighting machines.’ One bot can operate an M-16 rifle, a machine gun, and a rocket launcher — and 250 people have already been killed by unmanned drones in Pakistan.

He also tells the story of a berserk robot explosives gun that killed nine people in South Africa due to a ’software glitch.