Haha good point but you get the gist of it. I do Civil Engineering not CS but some of the lab work we have to do is done every year the same way with the same submission requirements. Its not easy to avoid plagarism when its been done 100's of times before by other people
One of my lecturers decided to test our university's plagarism software as it was coming back with a unusually high number of false positives. As soon as he submitted a sample he wrote it came back positive for plagarism even though he answered a question just using the knowledge he had gained over his 20+ years experience in the industry.
He and many other people in the department put hardly any weight on the results that pop up. His issue with using it is that the content of the course changes so little that with every iteration of students passing through the school its more likely to have incorrect results as its saves a copy of the submission to add to its database.
I myself have had work come back as plagarised beacuse there arte only so many ways to write the same damn sentance.
They probably just used photoshop to place the watermarked 'Gizmodo.com Exclusive' on each of the photos,
change the brightness contrast and apply some of those focus effects.
All the usual stuff one might do to photos before publishing them on a commercial website