If you are getting a vast number of email notifications sent by your Twitter account and they started to annoy you, this is how you disable and manage them.
In Gmail there is no insert/upload image option by default. Let me show you how to enable the option so you can upload and insert an image into the email or insert an image by providing url.
RawTherapee is a free open source application for opening and editing RAW image files. It works on all major operating systems such as Windows, Linux and Mac OS X.
If there is no WiFi hotspot available and you still want to surf the web with your mobile device, you need to have your mobile provider's APN settings entered and this is where you find them.