Next week, I will join PayPal’s Tanya Urschel to present a free webinar, Mobile Impact 301: How to Raise More Money via Mobile. This event is part of the Mobile Impact series offered in conjunction with BetterWorld Wireless and TechSoup. The session will take place on Thursday, June 19 at 2pm EDT — register now to reserve your spot.Tanya and I will share the best practices in mobile fundraising to help you optimize your nonprofit’s mobile experience and increase your online results. You’ll get the inside scoop on the latest research on mobile usage, learn how to engage donors in a mobile world, and find out how to take advantage of the rise of smartphones. (Bonus: Network for Good and PayPal will release a new mobile fundraising whitepaper next week, so you’ll get first dibs on your copy by attending the webinar!)To tide you over, here are 7 juicy stats to help you think about how mobile might affect your nonprofit fundraising and marketing efforts this year:58% of all American adults are now smartphone adopters. Source: Pew Tweet this.66% of emails were opened on either a smartphone or tablet in Q1 2014. Source: Movable Ink Tweet this.34% of cell Internet users go online mostly using their phones. Source: Pew Tweet this.The average person in the US spends 3.3 hours per day on their smartphone. Source: ExactTarget Tweet this.The volume of donations made via mobile grew 204% in 2013. Source: PayPal Tweet this.Video traffic represented 53% of all mobile traffic at the end of 2013. Source: Cisco Tweet this.By the end of 2014, the number of mobile-connected devices will exceed the number of people on earth! Source: Cisco Tweet this.