In the first tip, I demonstrated how to select the background of an icon.

在第一个技巧中，我演示了如何选择一个图标的背景。

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Photo tip: Add layers to your composition-that is, multiple elements beyond the main subject, such as foreground and background elements.

拍照小技巧：给你的构图分层——也就是说，给拍摄主体添上多种元素，例如前景和背景元素等。

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Tip: Some people work best with low-volume background music.

小贴士：有些人工作时放些低声的音乐会工作得更好。

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It is clear that a lot of people, had a lot of information in this case, so the challenge of the case is going to be filtering out all of this background tipping to get to a specific tip that puts Gupta and Rajaratnam in a discussion about a specific stock.

FORBES: Rajat Gupta Trial Twist - Wire Taps but No Inside Info

Drawn on a piece of paper, the spokesman said it was "full of the pop art motifs we have now come to recognise, including Warhol's signature bright red lips, made using lipstick, and a typically pop art blocked background, coloured with green and orange felt-tip pen".

BBC: Warhol sketch