While you’ve been busy updating your company’s Facebook page, keeping your customers up to date through Twitter and posting the latest corporate video on YouTube, we’ve been reporting on the latest in social media news for businesses large and small.

In case you’ve missed any of it, here’s a recap of this week’s breaking stories. We’ve arranged them by category to help you quickly find the news you’re looking for.

Facebook

• Stats: How Businesses Are Adopting Facebook Pages and Promoted Posts

Foursquare

• Merchants Can Now Promote In-Store Events on Foursquare

Google

• Manage Multiple Accounts in the Updated Gmail for iOS App
• Hold Targeted Conversations in New Google+ Communities
• Google Apps for Business Is Now Premium-Only

Pinterest

• Is Pinterest Better for Sales Than Facebook?

Twitter

• Clash of the Titans: Twitter and Instagram Feud Over Photos
• Tweet Smarter: Shortened URLs Will Take Up Two More Characters

Other

• Worm Infects Thousands of Tumblr Accounts [Updated]
• Study Finds Correlation Between Social Media and Share Prices
• Now You Can Easily Switch Between Dropbox Accounts
• Evernote Business Is Now Live in 7 Countries
• Welcome to the New Sprout Insights
• Share Expertise on Quora and LinkedIn With New Partnership
• Why Your Small Business Should Be Thinking About Going Mobile

[Image credit: Clever Cupcakes]