Although Apple seems to claim sending video messages was a feature only for iMessage, when I tried, it seems I can send videos to other phones perfectly fine.
I'm not sure you can veido text on any phone
You can text and even video chat if you have Skype. And yes you can call but it's illegal.
Text Plus is for the iPhone and the iPod Touch.
That it can do many many things except send picture and video text messages. (Lame)
Video is only currently available on the Iphone 3GS, the latest Iphone.
No you can text as normal
Install Cycorder, which is free, on your jailbroken iPhone 2G or iPhone 3G allow you to record video using your iPhone.
With backup iphone text messages feature, users can safely and quickly copy and export iPhone text messages or the SMS with a certain contact onto your computer database where our software can let you view or print out your iPhone text messages directly. After the backup iPhone text messages onto the local database on the computer, you can restore them onto any iPhone.
Yes
yes
All iPhones can play video, but only the newest iPhone 3G s can record video.
Trying to play Netflix from my iPhone to my car radio can iPhone output video to another device