Top 10 rankings: No. 7 for retention
The IT team at LinkedIn, the Mountain View, Calif.-based company that runs a business-oriented social network, has adopted a "work hard, play hard" policy that finds techies hosting all-company parties, complete with DJs and a full nightclub atmosphere. By day, the group is encouraged to learn about new technologies and build systems that disrupt the status quo. And once a month, on a day known as "InDay," employees can set aside their regular work and explore new ideas, hack with friends or volunteer for special causes.
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