How did Twitter choose their character limit?
93463
Why does Twitter limit tweets to 140 characters? Why this number? What are pros and cons of this design?
102953
What about lowering the edit character limit for characters in code snippets?
68573
Nicely force 66 characters per line
17349
Show the title character limit when writing a title
104814
'Daily vote limit reached' only for comments
77043
Is there a hack to force Twitter not to convert words like ASP.NET to links?
152250
Is there a limit for the attachment size in Messages?
66385
How do I remove the limit on PC keyboard button presses?
92156
Is there a limit on how many questions I can ask?
83762
Using MAX text or more specific, smaller type
71923
How do I change the Site Feed item limit?
90101
Customizing the Weak limit
128265
Why is there a voting limit restriction on Meta?
4168
What are the limits on how I can cast, change, and retract votes?
10881
Formatting should not count towards the character limit on comments
139786
Is there a limit to Rule 0?
23900
What's the total rep cap limit on Suggested Edits?