The big news from the past couple of weeks has been the debut of Snap Inc. on the New York Stock Exchange. Even for the fast-paced world of social media, the 'disappearing photo' app has had a meteoric rise to success. How did it get where it is so quickly, and will it have Facebook-style longevity, or wither like a MySpace or Friends Reunited? Let's take a look with the latest issue of Sociable Folktales. Don't worry – it'll not vanish in 10 seconds.

• City Guides introduced.
• Reactions to influence what you see on News Feed.
• New safety tools for Live.
• 'Explore' news feed tested.
• 30-minute 'TV-like' shows.
• Thumbs down buttons tested.

• Twitter
• The war on eggs and trolls.
• Closed groups on Periscope.
• Instagram
• Stories ads available to all.
• Geostickers added to Stories.
   

• Snap valued at $19.7bn.
• A snappy history of Snapchat.
• Snapchat debuts AR gaming.
• Snapchat accused of squeezing gun safety group for money.
• People watch a billion hours of YouTube daily.
• YouTube unveils streaming service.

• Apple working on an AR product.
• Google patents a camera hat.
• The Thing Translator.
• Great new feature planned for Amazon Echo.