Weekly Social Download: So you don’t have to stress out that everything just changed again.

Marketers to Inch Up Social, Mobile, Email Spending – eMarketer

eMarketer predicts US online ad spending will grow 23.3% in 2012 to reach $39.5 billion by year’s end. A recent study found US marketers flat in their spending on traditional, offline direct marketing tactics such as direct mail and direct response broadcast for TV and radio. Spending on gaming was also flat, perhaps signaling a cautious approach to this newer format.

Facebook’s Head of Product on Why Social Media is Important

Technology changes quickly, but human behavior does not. Paul Adams explains why marketers should always be thinking about brand interaction from a human-centric framework.

Ford Keyfree App: Auto Login to Everything

Ford is introducing a web application that works much like their KeyFree technology for cars that allows drivers to enter and exit their vehicle without worry about keys. The KeyFree mobile app provides similar functionality for users by providing a seamless way to lock and unlock all the digital profiles of a user, including Facebook, Twitter, Gmail, Skype, and more. After installing the app, users are able to have the accounts on their computers lock and unlock depending on proximity.

BEV – The Incredible Sampling Robot

BEV is the world’s first Tweet activated sampling machine. Simply tweet a unique hashtag when standing in front of the machine, and enjoy an ice cold BOS Ice Tea on the house.

Re:route App Promotes Healthy Living by Offering Rewards to Those Who Walk or Cycle Around London

In anticipation of the expected extra traffic and congestion during the 2012 Olympic Games–and to give Brits an extra incentive to walk to work, Recyclebank and Transport for London have partnered to release an iPhone app that gives users rewards when they opt out of public transportation and choose to walk or cycle to get around instead.