CAPTCHAs are commonly used for user registration, contact forms, or failed logins.

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Starting today Adobe Muse includes new built-in support for contact forms allowing users to easily add, configure, and style contact forms into their website designs and eliminating the need of having to embed HTML code from third-party online form providers.

ENGADGET: Adobe begins regular updates to Creative Cloud applications, details future improvements for Creative Suite

Such sanctions can also be undermined by so-called "foreign availability" (or the ability of other foreign companies to step in and supply the same product) and constrain potentially useful people-to-people contact and other forms of bridge-building with potential adversaries or competitor nations.

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The citral molecule has a double bond in its tail, which, when it comes into contact with acid, forms a circular structure.

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He sent a strong, clear message to Gregg Williams and the Saints that illegal forms of contact and violence within the sport will not be permitted.

CNN: NFL takes good first step to protect players

New instruments and forms developed over the centuries, partly because of Japan's ongoing contact with her Asian neighbors.

FORBES: Fifth Anniversary

According to a new computer model, liquid methane in contact with a partially hydrogen-terminated diamond surface at extremely high pressures and temperatures spontaneously forms longer hydrocarbons, and hence the material of crude oil could be formed deep in the earth.

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The fingertip-sized UbiChip that forms the guts of the device can be put into pretty much anything provided it's in contact with your skin and it can detect the shock so you could turn on a Bluetooth headset by tapping your earlobe rather than fumbling for a button, or tweak the volume of your cellphone by tapping your face.

ENGADGET: A fingertap away