However, Jackie Fletcher, founder of JABS, a group worried about the effects of vaccines on children, believes her son's brain damage could have been caused by the MMR jab.

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Yet even the roughest morning-after can be cured in under an hour according to Dr Jason Burke, the founder of Hangover Heaven, a 45ft-long bus that treats the side effects of drinking too much with IV therapy.

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But Biz Stone, co-founder of Twitter, said he and others knew that the service could have wide-reaching effects early on, when the San-Francisco, California-based company used it to communicate during earthquakes.

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While the new feature has been ready for some time, Facebook founder and CEO Mark Zuckerberg is hoping his engineers and artists come up with more filters and effects before they release the new product, according to two engineers working at Facebook.

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