Photoshop turns 25 years old today, and in the last quarter of a decade, the word “Photoshop” has taken on a meaning much bigger than the product itself. It’s one of those brand names that’s become a common verb -- and a topic of debate. What are the ethics of Photoshop? What role, if any, should it play in photojournalism? And how has Photoshop -- and the magazines that use it -- created unrealistic expectations of beauty? We talk about this and other web-related stories in our weekly Internet roundup.