There aren't any lists of this sort.
Log into Twitter and on the right hand side there is a list of the most popular trending topics. The majority of them use hash tags but not all.
Follow the related link below for a full list of NCIS actors and actresses that use Twitter.
Yes, you can use Twitter to find new jobs. You can make advertisements and use social media on twitter. Also you can network with other people using the Twitter account basically. You can even make posters and pictures on Twitter. By doing these things, you can find new jobs basically. On Twitter, you can search for job related hashtags basically.
There are more than 250 indian celebrities that use the twitter account. Most popular are:EntertainmentAmitabh BachchanShahrukh KhanPriyanka ChopraSportsYuvraj SinghMS DhoniVirender SehwagPoliticsKiran BediShashi TharoorNarendra ModiYou can find the complete list on tweetwood
Many companies use it to promote their business/products. An exact number is unknown.
Doctors use latin for scientific names. and also to name new virus/sickness/bacteria that they find
"The best way to find out all of them would be to research which celebrities are Jewish and find out if they have Twitter accounts. Some Jewish celebrities who use Twitter are Joan Rivers, Stephen Fry, Gene Simmons, Aubrey Drake Graham (Drake) and Adam Sandler."
Use facebook, twitter, windows hotmail or others.
Eye doctors usually use a retinoscope, a direct ophthalmoscope, an indirect ophthalmoscope, a slitlamp, a phoropter, a projector, and a keratometer. This is just the basic list, but there are many more possibilities.
Twitter does not use apps or games like Facebook does, so unfortunately you can NOT use Farmville on Twitter.
Depending on what type of doctor is needed, a person could utilize a website such as Switchboard or Yelp to find an emergency doctor. If the emergency is severe, the wisest choice would be to find the nearest emergency room and use the on-call physician.
Anyone can use it..... unless the twitter is not blocked in your country.