We've all heard about the fun perks that progressive employers like Google and Yahoo! offered their employees until recently—great social activities, play areas, telecommuting options, free bikes to ride around campus, and the opportunity to spend a fair portion of their work time on projects of their own choosing. This has begun to change as more traditional-minded CEOs come on board, to the apparent chagrin of many. 

There are other ways to make people look forward to coming to work, without risking that complacency can take hold.