The End. Cool stuff. iPad fingerprints. Facebook rage faces. Funny siri ad. Text message reminder. Tying a string around your finger is so 19th-century. These days, if you want to remember to do something, you get your phone to remind you. Ah, but in my experience, most phones aren't very good at nagging. In fact, many don't even have alarm-capable task apps. Even Siri, which you can vocally instruct to "remind me to follow up with part supplier at 10 a.m.