A seismograph is any instrument that measures motions of the ground, including those of seismic waves generated by earthquakes, volcanic eruptions, and other seismic sources. While, the Richter scale is a...

BBM or Blackberry Messenger is a proprietary Internet based instant messenger as well as a video telephone application developed by BlackBerry Limited. WhatsApp Messenger is also a proprietary instant...

Google Adsense is an advertising program by Google. It allows websites to publish ads in order to generate revenue. DoubleClick develops and provides Internet ad serving services. Doubleclick is an Ad Server...

AdWords allows one to promote his or her business by placing ads on the internet, while AdSense allows one to earn money by showing the said ads on their websites.

Google Talk was an instant messaging service by Google. However, in 2013, Google replaced Google Talk with Google Hangouts. Google Hangouts is an instant messaging and video chat platform.