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A techy easter egg is coding or features on the Web that either shouldn't be there or you don't expect to find — and there are plenty to keep us entertained.
To begin: Searching for "Zerg Rush" in Google will transform your results in to a game. To stop your search results from obliteration, prevent the letter "O" from going too far.
Visit the TARDIS
Visit this link for Google Maps in London, UK, and spot the Tardis. If you'd like to take a peek inside, simply press the Up key.