Facebook’s App Center goes live, more evidence of Retina-equipped Macs emerges, and Twitter upgrades its Facebook integration. It’s all in today’s Daily Dose.

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Facebook launches App Center on iOS, Android and the web, for socially driven app discovery: Read more

Retina-ready apps begin to appear in Apple’s Mac App Store ahead of WWDC: Read more

Twitter: Yes, we’ve added photos, hashtags, usernames and more to our Facebook integration: Read more