PatentRank ‏@PatentRank 3m

On April 30, 1935 patent #2,000,000 was issued to Joseph Ledwinka for vehicle wheel construction #DidYouKnow #PatentHistory

Up2Us ‏@Up2UsSports 23m

#DidYouKnow children who played sports were 80% less likely to be overweight than those who never participated in a sports program? #Up2Us

Meadowhall ‏@LoveMeadowhall 47m

#didyouknow over 30 people were successful at our @TheXFactor auditions? - well done! #Sheffieldissuper

Local Market 9NEWS ‏@LocalMarket9 1h

#DidYouKnow you can renew your #CO driver's license (& register as an organ & tissue donor while you do) any time @ http://Colorado.gov/VROOM ?

Greenpeace ‏@Greenpeace Apr 29

#DidYouKnow - forest loss contributes 12-15% of global emissions, as much as the transport sector: http://act.gp/1fsP3Sp  #protectparadise

Walk San Francisco ‏@walksf 2h

#Transit stations need densities of 8 residential units per acre w/in half-mile radii to support usage #didyouknow http://bit.ly/1fywn3P 

Oracle Analytics ‏@OracleAnalytics 2h

#DidYouKnow @SouthwestAir increases its loyalty-program membership by 20% w/ @Oracle Loyalty #Analytics: http://ora.cl/w3r 

Syngenta ‏@Syngenta 2h

#DidYouKnow Each #cocoa tree produces ~1000 beans a year - enough to make 1 kg of chocolate http://ow.ly/wkncL 

Drink Daily Greens ‏@DrinkGreens 2h

#DidYouKnow avocados are a good source of fiber, which aids digestion and helps keep you regular? (RT @HeaIth411) #health

Leinenkugel's ‏@Leinenkugels 3h

#DidYouKnow there are more than 350,000 Leinie Lodge members? Join us if you like surprises! http://bit.ly/1lz7JAa 

The History Press ‏@TheHistoryPress 3h

#DidYouKnow every US President has worn glasses?

The Real Cost ‏@KnowTheRealCost 3h

#DidYouKnow the concentration of carbon monoxide can be up to 10x higher in cigarette smoke than car exhaust? #TheRealCost

City of York Council ‏@CityofYork 4h

#didyouknow In the UK, more than a million people suffer from food allergies? #AllergyWeek For more information visit http://www.food.gov.uk/policy-advice/allergyintol/allergy-week/#.U2D_-FfSxkl …

Ocean Conservancy ‏@OurOcean 4h

#DidYouKnow that scientists can identify humpback whales by the patterns on their tail flukes? http://ocean.ly/QYKjJ0 

TechEd NorthAmerica ‏@TechEd_NA 5h

#DidYouKnow we offer onsite training for certification exams at #msTechEd? Check it out: http://msft.it/601692YE