eBay and Groupon Announce Deal
eBay is now listing daily deals from Groupon.com as a result of the new partnership with the daily deals company. Members of the eBay rewards program will now earn 5 percent of their transaction back in points they can redeem on eBay off of any Groupon purchases. [via Reuters]

PayPal and Facebook Reveal Micropayment Service
During the PayPal X Innovate conference this week, PayPal announced its partnership with Facebook to deliver a payments program for digital goods. Facebook users will now be able to purchase goods for games provided by Zynga and other companies with just two clicks on the Facebook platform. [via PC Magazine]

iConcessionStand Wins PayPal Developer Challenge
PayPal crowned iConcessionStand as the winner of its second PayPal X Developer Challenge. The company, which introduces a new way to shop and pay for products on mobile devices at live events, was picked by a panel of venture capitalist to receive the grand prize valued at $100,000. [via MarketWatch]

Further News
+ A new study by Business.com focusing on the usage of social media by B2B companies, reveals that 81% of B2B companies are more likely to maintain company-related profiles on social networks, compared to 67% of B2C companies.
+ NASA launches social media campaign, allowing astronauts to “check in” from space.

eBay Ink Weekend Roundup is a summary of news and updates around eBay, PayPal, Social Media, Technology and E-commerce. Let us know what interests you.