Bills or letters from acquaintances aren't necessarily cause for concern, but be wary of mail you don't ordinarily get, or from someone you don't know, Koplan said.

CNN: Bush, postal officials urge caution with mail

Among owners who have had horses with Channon are old colleagues and acquaintances from his footballing days, including Kevin Keegan, Chris Cattlin, Sir Alex Ferguson and the late Alan Ball.

BBC: Royal Ascot 2010: the Radio Berkshire guide

Some of the calls have come from Dorner's past acquaintances or people who think they have spotted the fugitive.

CNN: STORY HIGHLIGHTS

Obama's words underscored the shock and grief from friends, family and acquaintances over the news that Eckert was aboard the Continental Connection Flight 3407.

CNN: 9/11 widow among Buffalo flight victims

Approximately 34 percent come from family, friends or acquaintances.

FORBES: Financial Abuse of the Elderly on the Rise, Study Finds

And since one of the primary ways that social services grow is through the recommendation of a content shared from friends, colleagues and acquaintances, a paywall can be a serious inhibitor to growth.

FORBES: App.net Just Went From Twitter Clone To A Scale Model Of Something Much, Much More

Scott, on the other hand, assembled his team capriciously, from old-friends, casual acquaintances, and hangers-on.

FORBES: South to the Pole: Leadership Wins the Race

The streets teem with shoppers keenly stocking up on everything from fancy new clothes and festive household decorations, to gifts for family, friends and business acquaintances.

BBC: India��s festival of lights