The best thing I like is that it lets me know when there are new comments, likes or dislikes for my own posts which makes things feel more personal so to speak! It can be used with any social media but seems most useful in conjunction of Instagram since you have an actual profile picture where people see your face.
Sometimes it doesn't always pick up every comment/like etc., especially if its not right next to each other (ie - several replies). Also sometimes it gets confused about what'sβ¦