Welcome to Weekend Planner. Every Friday we put together a list of the weekend events we think look most interesting and provide them here. Keep in mind there is always a lot more going on, and all it takes is a little digging to find something that will be the perfect activity for you. Click on any of the event titles for a link to the event. Friday, June 26 Wikimedia Foundation, San Francisco 1PM, All Ages Free Wikipedia, the world’s 5th most visited website in the world wi