Blue Martini (6593 Las Vegas Blvd. S., 949-2583, bluemartinilounge.com) No, your friends and co-workers have not been abducted by aliens. But if everyone suddenly goes missing between the hours of 4 and 8 p.m. on a Wednesday (or any day of the week, for that matter), you can pretty much bet they are bellying up to one of Blue Martini’s four bars for happy hour, rocking out with Dave from accounting to rotating live acts or DJs, or testing the cocktail table’s weight limits with any one of Blue Martini’s mondo cocktails, all of which come with a second helping in a neat baby cocktail shaker.

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