With two bathrooms, a media room and numbered bunk beds matched with towel hooks and luggage storage, the summer-camp-style space was designed to house their three teenagers along with their friends and relatives who frequently visit with them.

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The new approach is meant to get people to visit more frequently and linger for longer periods of time.

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They frequently visit the nursery and maternity units, asking the staff detailed questions about procedures and the maternity floor layout.

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Readers spend far more time with news apps on the smartphone and tablet, visit more pages at a time, and return more frequently than they do on conventional computers, according to data from Localytics, a client-based mobile analytics firm.

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"The most ill section of the population has to visit hospital more frequently than those who are healthier and it is often these very ill people who, because of their illness, are the least able to pay the substantial car parking charges, " he said.

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Elevated wooden walkways connect the great house to guest rooms and the villas, and nature is on display day and night, including a herd of more than two dozen elephants that visit frequently.

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For a period of two decades starting in 1966, Graff says, he traveled to Brunei as frequently as once a month to visit with the royal family, who brought him along to polo matches and gave him an Aston Martin to tool around the kingdom.

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