Below are the top social media stories for the week of November 22nd to the 28th!

Snapchat’s Lackluster Ads Threaten its $16 Billion Valuation

Snapchat, maker of a free mobile app that lets users send videos and messages that disappear in seconds, is struggling to gain traction with advertisers, fueling investor concern that its $16 billion valuation isn’t justified by a business that hasn’t yet shown it has a steady source of income. Read about it on VentureBeat

Stribr: A new tool to manage all of your Instagram needs

Stribr is an all-round management dashboard that can handle multiple accounts at once, as well as search and monitoring of hashtags, follower numbers and analytics. Its creators have also told TNW that they will be adding a scheduling function soon. Read about it on The Next Web

VidMob Launches Video Editing Marketplace App on iOS

VidMob has announced the official release of its app on iOS, which allows users to hire editors to create professionally edited videos from their own photos and video clips. The app allows users to upload content from their device’s camera roll, or import content from Dropbox or Facebook. Read about it on SocialTimes