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Bloomberg re-registers as a Democrat, further positioning himself for a potential presidential run in 2020. The former mayor, who was previously registered as a Democrat, then as a Republican, then later as an independent, has now registered as a Democrat again,  just in time for the mid-term elections. [New York Times]

Cyberattacks at New York City-based companies often come from the inside, a new study finds. The report indicates that while local companies are worse at preventing cyberattacks than companies worldwide, they are more efficient at responding to them. [City & State]

Close to half of all New Yorkers are rent-burdened. A new study shows that 44 percent of all New Yorkers pay over 30 percent of their income towards rent. [Curbed]

The leader of New York City’s bike advocacy group is leaving for an e-scooter company. Paul Steely White, long-time director of Transportation Alternatives, is stepping down to join Bird, a California-based e-scooter company led by former execs at Lyft and Uber. [StreetsBlog]

Look out! E-bikes are positioned to expand across the city. Restrictions on electric-assist bikes have loosened, easing the job of delivery men and paving the way for the launch of citywide e-bike sharing programs. [New York Times]

The iconic Coffee Shop in Union Square will close on Sunday. The trailblazing restaurant, famous for its classic neon sign and numerous scenes in “Sex and the City,” will close after 30 years.  [Eater]

Ouch. McNally Jackson, Soho’s beloved local bookshop, is also slated to close. After 14 years on the corner of Lafayette and Prince, the independent book shop may not have its lease renewed. The owner of the store, however, is looking for a nearby alternative. [Bowery Boogie]