Every Friday, find five quick links about compelling technologies, emerging trends, and interesting ideas. Source: the internet.

1. Is the 800 million dollar valuation of Snapchat the sign of the bubble poised to burst or a smart bet on the need for ephemeral content in an always-on world? Here’s an interesting read on the valuation and the parallels with Instagram, including shared focus on experience over revenue.
2. Fragmented operating systems and the mobile-first world we live in are just two of the drivers for content management systems that encourage the right amount of structure for content. Contentful headed into beta this week, seeking to solve the problem with a publish-everywhere, API-driven approach.
3. Enterprise is heading for mobile to reap productivity gains, and enterprise mobile is heading for the cloud, largely via backend-as a service. Here’s a take on how it’s all playing out.
4. What’s a library these days if not card catalogs, dark wood and walls lined with  books? Lots of smart people hard at work on this problem, and Pew Internet weighed in this week with a report on Younger American’s Library Habits. Unsurprisingly, Americans ages 16-29 expressed a strong interest in apps for finding library materials within the library or accessing library services on their mobile.
5. Since it’s the Friday before a holiday week, and everyone’s planning their barbecues and/or reading reddit, why not craft your invitation using this handy new meme generator from Imgur?