Walmart unveils its new membership service Walmart+, launching Sept. 15 for $98 per year, will offer free, unlimited same-day delivery, fuel discounts, and more (Sarah Perez/TechCrunch)

Sarah Perez / TechCrunch:
Walmart unveils its new membership service Walmart+, launching Sept. 15 for $98 per year, will offer free, unlimited same-day delivery, fuel discounts, and more  —  Walmart today officially unveiled its new membership service and Amazon Prime rival, which it's calling “Walmart+.”