Even a straightforward messaging service like WhatsApp isn't immune to the allure of adding Snapchat-style features. The Facebook-owned app is introducing the option to draw on photos and videos, including emoji. If you don't think that puppy photo is charming enough by itself, you can easily doodle on it to make your point. More interested in improving the quality of the shots themselves? Don't worry, you're getting a couple of upgrades as well.