The effects should show up in the next few days if you don't have them already. They're not strictly new -- Microsoft first introduced the AI-powered suggestions through its Sprinkles app. They should get considerably more use now that they're in a major social app, mind you. The real question is whether or not this will improve Skype's stature. This probably won't lure you away from Snapchat (or Instagram, or Facebook). However, it might keep you using Skype if you thought it was falling behind the times.