Here are the most relevant news in tech and retail this week.

In Tech:

1. Elon Musk opens up Tesla patents to encourage car makers to build more electric cars
2. Google acquires Skybox, a satellite imaging startup for half-billion dollars
3. Amazon quietly introduces music streaming for Prime members
4. AT&T promises better prices to US regulators with its proposed $48.5B merger with DirecTV
5. Priceline will buy restaurant reservations site OpenTable for $2.6B in cash

In Retail:

1. Alibaba continues to build its portfolio before its upcoming IPO in New York, buys UCWeb, one of China’s biggest web browsers
2. Inditex SA, the owner of Zara, reports 7.3% dip in first-quarter profits but beats estimates as company gains on e-commerce expansions
3. Lululemon Athletica reports better-than-expected profits per share for fiscal first-quarter but reduces full-year financial forecasts, shares plunge
4. Alibaba opens US-based shopping site 11Main.com in invitation-only beta
5. eBay focuses on international expansion, acquires AppTek for its translation technology while PayPal launches PassPort, a website geared for global sales