Recode editor-at-large Kara Swisher recently said ridesharing leaders LyftInc $LYFT and Uber have business models that are “tough going from a financial point of view.” Swisher will be moderating multiple sessions on technological innovation and venture capital at the upcoming SALT conference in Las Vegas starting on May 7. In addition, Bird is facing outside competition from other scooter sharing companies like Lime. Lime recently raised an additional $310 million, bringing its valuation to $2.4 billion.