The U.S. Department of Agriculture (USDA) has an online reporting tool for those who think they might have a foodborne illness.

CNN: Food poisoning: What you need to know

For many years before his paper on reparative therapy, Spitzer had conducted studies that evaluated the efficacy of self-reporting as a tool to assess a variety of personality disorders and depression.

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Illinois Tool Works also has earnings on the horizon, reporting first-quarter results before the opening bell on April 26.

FORBES: Buffett Inspired Speculation Stirs Up Call Options On Illinois Tool Works

Instaport, a tool that lets users export and and download their Instagram images, was reporting overtaxed servers Tuesday morning.

CNN: Instagram backtracks after user privacy revolt