Intrapreneurship involves entrepreneurial activity within the business /employees come up with new ideas/take personal responsibility which may turn into profitable activities.
Intrapreneurs are inventive, creative and innovative; they are constantly looking for ways of growing/expanding the business; and improving business processes/ product without the financial risk.
Examples
A hotel employee designing a website for a hotel after taking his own initiative.
A hotel employee improving the internal staff communication system of her own accord
A hotel employee suggesting a Lunch to go style menu for the hotel to attract those too busy to eat in