Questions: 1. Why? 2. That looks like it took a lot of time and money. Did it? 3. Please tell me why. 4. Here is my idea: your sleeve is a metaphor for Facebook’s tendency to help us define ourselves. By getting a full sleeve of your friend’s profile pictures, you’re sarcastically making the statement: “Look, Facebook defines me, too.” Sort of a cynic’s stance, am I right?