Social networking sites such as Twitter and Facebook allow people to communicate more easily, but many companies are placing restrictions on how employees use these service at work, according to a new survey by Robert Half Technology.

Earlier on today, I bumped into one of those blog posts that you know is not going to leave you indifferent; quite the opposite, because it touches base on a growing trend that you know is going to cause plenty of trouble ahead, specially for most businesses out there who are starting to embrace social [...]