Twitter 於2015年7月開始，對 DM (Direct Messenges) 移除 140個字元的限制，增加為 10,000 個字元。
先做個紀錄，看看後續 Twitter 這個動作會造成何種影響。
詳見下述新聞：
- Twitter will increase DM character limit from 140 to 10,000 in July
- Twitter announced today that DMs will no longer be capped at 140 characters. Now they will be limited to 10,000 characters.
- Removing the 140 character limit from Direct Messages - Announcements - Twitter Developers