Gifs not playing on twitter?

I have an Android so i thought maybe only iphones can view gifs on twitter but every time i click on an image it says media could not be played

IMessage and blocked numbers?

If you block someone from messaging you on an iphone, can the messages still come through on an iPad or iPod? If so, how can you block them COMPLETELY?

Does Netflix work on iPhone 4S well?

I know you can get the app, does it work well on an iPhone 4S? Do you have any problems with it? I have an iPad I can get on it too, but is there any serious problems, like loading problems/lagging problems, that would happen on an iPhone 4S?

Can I use Bluetooth while in headphones mode? (iPhone)?

Long story short… I broke up the tip of my aux cable inside of my iPhone 4s and I tried taking it out with super glue and now it stuck there… FOREVER.
So I was wondering if I would be able to use a blue tooth still? Or nah?

How to switch album covers on iPhone?

Recently, I synced my iPhone to the iTunes on my computer. Now, a lot of the pictures for the albums have been switched with other album covers from other songs I own. Why did this happen, and how do I change them back? I have tried deleting and re-downloading songs, and that works for some, but others will just switch back.