DELL maybe the biggest company which accept bitcoin as payment method.Not too many big company are willing to accept BTC under this situation,but DELL did.Now you can purchase laptop,desktop,tablet computer,mobile phone and other electronic devices from DELL with your BTC wallet!
As the second search engine,Bing accepts bitcoin because we can see google lost many users after it refused to accept BTC.Bing may win more users in next few months
Namecheap is a big website that provide domain register,web hosting and other web service.It has an advantage in the payment method than its competitor Godaddy untile Godaddy accepts BTC
You maybe not very familiar with ZYNGA if not visit FACEBOOK frequently.You can buy games from ZYNGA with your Facebook account by using bitcoin.
WORDPRESS accepted BTC in the end of 2012,because users from some countries cant user other payment method,even paypal also can’t be helped.But people can pay with BTC safely and quickly,no matter where they are from.