EL SEGUNDO, CA--(Marketwired - Aug 22, 2013) - Stamps.com® (NASDAQ: STMP), the leading provider of USPS postage online and shipping software to over 450,000 customers, today announced its new USPS ...

TikTok Shop will require all U.S. Postal Service shipping labels to be purchased and printed through TikTok Shipping starting in January, the e-commerce platform said in a Nov. 14 communication to ...