Name some Google AdWords ad extensions?

Hi Friends,
Google offers advertisers a variety of "AdWords extensions" to help increase ad rank and click-through rate.

Sitelinks extensions
Location extensions
Call extensions
App extensions
Structured snippet extensions
Callout extensions

Sitelink Extensions. Google Adwords Sitelinks are additional links in your advert that will take prospective customers direct to a specific page on your website. ...
Callout Extensions. ...
Click to Text Extensions. ...
Call Extensions. ...
Review Extensions.

Agree with you guys thanks for share such knowledge.

the most usefull extensions among them are
call extension as well as rich snippets.
site link extension.

Callout  Extension
Sitelink Extension
App Extension
Location Extension
Call Extension

Callout Extension
sitelinks extension
calling extension
message extension

Some extensions are:

- Sitelink extensions
- Call extensions
- App extensions
- Review extensions
- Callout extensions
- Structured snippets extensions
- Location extensions
- Offer extensions
- Social extensions
- Keywords Everywhere Chrome extension