Seamless and GrubHub have signed a definitive agreement to merge as the two companies look to build an organization with enhanced financial strength that can better scale in the rapidly growing food-ordering industry.

Since updating its iPhone and iPad application several weeks ago with a faster user experiences, flash sales retailer HauteLook has seen mobile sales increase 20 percent.

Google is digging for mobile gold with a series of enhancements for Google Wallet that put the mobile payments solution into more direct competition with PayPal and Apple, but do not address its limited availability.

Financial services provider Fidelity Investments is making it easier for employees to access benefits and retirement savings plans managed by the company via a new smartphone application.

PayPal is offering to waive processing fees and provide free marketing to merchants as it looks to play a bigger role in how mobile and digital technology are transforming in-store purchasing. Competitors Square and Groupon are also making similar plays to win over merchants.