Welcome to IRL, an ongoing feature where we talk about the gadgets, apps and toys we're using in real life and take a second look at products that already got the formal review treatment. One of the reasons we launched this column was to make sure our reviews and hands-on posts weren't the final say on products -- after all, you often need to live with something for more than a week to notice its WiFi signal cuts off past 15 feet, or there's a nasty bug in the settings menu. Indeed, that theme is what ties together this week's roundup of stories: Darren explains why he ditched Sparrow for iOS, Kevin laments the file size of photos he's taken with his Nikon D800 and Brian fin