Bristol spin-out Revolymer seeks market approval for nicotine gum products.

Intel has acquired e-textbook publisher Kno, a portfolio company of Intel Capital.

Co-founder of Stanford startup Snapchat alleges he was shut out by other founders in lawsuit.

IfOnly, an e-commerce site which sells experiences and goods endorsed by "luminaries", is reported to have raised $12m in series A funding from investors including American Express Ventures and Advance Publications.

Latest $225m series D funding round for Pinterest, previously backed by Japanese e-commerce company Rakuten, values the content collecting and sharing website at $3.8bn.

Intel Capital leads $15m series B funding for Prism Skylabs, a technology startup which aims to boost brick-and-mortar businesses by attaching web-style analytics to their in-store video cameras.