Sharpened spikes to deter perching and loafing are commonly used. In loafing groups, whales number between 12 and 30 individuals resting. Both display tendencies toward loafing and cowardice. This evidence suggests that collectivist thinking reduces the social loafing effect. Everybody was obliged to work; loafing and begging were rejected. Social loafing, also known as "lurking", greatly affects the development and growth of online communities. Social loafing is a behavior that organizations want to eliminate. "Creative Loafing Tampa" is the main alternative weekly. Women expressed less social loafing than men across different cultures. Mady Dudley, from Creative Loafing, called the show in Tampa, "unfiltered". Research regarding social loafing online is currently relatively sparse, but is growing. Also, challenging and difficult tasks reduce social loafing. In social psychology, the literature refers to this phenomenon as social loafing. Thus, the answer to social loafing may be motivation. In order to diminish social loafing from a group, several strategies could be put forward.