Longer tweets are coming soon to your Twitter timeline.

Twitter is building a new feature that will allow users to tweet things longer than the traditional 140-character limit, and the company is targeting a launch date toward the end of Q1, according to multiple sources familiar with the company's plans. Twitter is currently considering a 10,000 character limit, according to these sources. That's the same character limit the company uses for its Direct Messages product, so it isn't a complete surprise.