In an effort to build its user base, Twitter is thinking about tweaking one of its signature features: the 140-character limit on tweets. Although the new feature is in the planning stages and no Twitter executive would comment on any new plan, the idea of going beyond 140 characters is no surprise, having been debated for many years. In June, the company overrode the 140-character limit on private messages, signaling an openness to new rules. Interim chief executive Jack Dorsey is seen as likely to endorse change. Continue reading Twitter May Lift 140-Character Limit, Aimed at Mainstream Use