Ig refers to Instagram, a social application running on the mobile side. It shares photos that you can take at any time in a quick, wonderful and interesting way. 2012 On April 10, Facebook announced that it would acquire Instagram for 10 billion dollars. 2012101On October 25th, Facebook acquired Instagram with a total value of 7150,000 USD. 20 12 12 in February this year, Facebook's photo sharing service Instagram caused an uproar on the internet because of its new terms of using the photo sharing service. Instagram clarified this, saying that it would not use or sell users' photos in advertisements, thus dispelling users' concerns. Instagram provides such a smooth operation process: taking photos-filter effect (1 1 photo effect is mainly lomo style)-adding descriptions/places-sharing (which can be shared on mainstream social networks such as Twitter, Facebook, Tumblr, Flickr, Foursquare and even Sina Weibo). At the same time, Instagram has established a micro-community based on these photos, and you can interact with other users by following, commenting and liking.