They are reminding each other of shared attachments to Syracuse and their time there: friends, romances, classes, careers and aspirations.

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The source can be from emails, email attachments, bots, Trojans, and other sources that can be introduced via any computer file type from any device type including all forms of mobile devices, the cloud, the web and even via a virtual private network (VPN).

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Now they constantly evolve to tempt users into opening infected e-mail attachments by referring to recent news and using other "social engineering" tactics.

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The changes to the latest version of Yahoo Mail include removing some of the boxes that filled the page in the Web version and offering thumbnail images of attachments, presumably to help avoid clicking on scams, spam and other unwanted content.

CNN: Yahoo pushes all users to new e-mail

Other models wear over-the-top props such as outrageous headgear or wing-like attachments.

BBC: Bizarre body painting in Austria