You might think that in this digital age of instant gratification, men have it easy. It is virtually impossible to forget Valentine’s Day in our always-on world. Even if you blindfold yourself, you wouldn’t get far before Siri’s voice would remind you. Don’t have an iPhone 4S? Even if you innocently open your laptop to read the news, targeted ads already have your best interests in mind. You don’t say? Perfect couples massage: a self-cleaning kitchen for her and a self-programmed entertainment center for you? How did you guess? The bespoke cousin of tacky popups knows more than you think.