What size should my Avatar image be?

Avatar image size is 2Mb maximum and recommended height and width 400 X 400 pixels although it will be automatically resized if larger than 400 X 400 pixels. Your profile picture will be uploaded as a square, but it will display as a circle throughout the site. Make sure that your image maintains its integrity when cropped into a circle.

How many users can I follow?

You can follow up to 5,000 users.

How much time do I have to change a message I have posted?

You have 30 minutes to change a message you have posted.
Also note that you can only make 5 changes to a message you have posted.

How many "Points Of Interest" can I select?

You can select a maximum of 10 Points Of Interest.

Links

To create a link enclose the link text in square brackets (e.g. [Duck Duck Go]) and then follow it immediately with the URL in parentheses (e.g. (https://duckduckgo.com)).

My favorite search engine is [Duck Duck Go](https://duckduckgo.com)

The rendered output looks like this:

My favorite search engine is Duck Duck Go

Bold text

To make text bold

**Bold**

Strike through text

To make text strike through

~~Strike through~~

Italic text

To make text Italic

__Italic__