Instagram these days is much more popular than Facebook app . it’s quite simple to use . you basically share your experiences and feelings through PICTURES . and this is what instagram is all about . it’s a great app . you can follow the people you like . or celebrities or friends or family . anyone you want . I got to learn a lot from this about a lot of fashion bloggers as they update a lot of pictures . also travellers .food bloggers . you can follow them all . all this is quite informative too so you can use it wisely . also the app provides basic security as per your convenience .