Gravitate will feature Scott Herren presenting a session called “Test, Validate, Grow” at noon Tuesday. He will talk about testing features, testing designs, testing landing pages and more. On Wednesday, Ryan Gerhardy of Next Level Ventures will hold office hours from 10 to 11:30 a.m. Later in the day, information technology worker Antoinette Stevens appears at the Black Urban Professionals meetup, 5-7 p.m. On Friday, the Iowa Small Business Development Center office hours will feature Christina Moffatt of Creme Cupcake + Dessert from 9 a.m. to noon. First Friday open co-working runs from 9 a.m. to noon, and the community happy hour runs from 4:30 to 6:30 p.m.Read more