What you need to know - 08/23/11

American Express Serve study says people ask for money over SMS; social media fight in London

AliveCor, which makes it possible to use your iPhone Android as a personal heart rate monitor, has raised a $3 million Series A led by Burrill & Company, with participation from Qualcomm Ventures and the Oklahoma Life Science Fund.

A study by Serve finds that even more people ask for money owed to them through SMS and email.

BuyWithMe named former Patch EVP and ex-Googler Charlie Gray its new CPO.

Representatives from Facebook and Twitter will be meeting with RIM and the UK government this week, as officials try to piece together how large a role social media and mobile messaging solutions played in organizing rioters and looters in the chaos that swept London streets recently.

Miramax launched its first-ever digital app, the Miramax eXperience, on the Facebook platform.

The Square Card Case app allows users to pay a participating merchant with their phone in a process that Square refers to as paying “with your name.”

Tawkon, developer of a smartphone application that can recognize increased levels of radiation, raised $1.5 million from thetime.

Twitter started rolling out a new feature that aggregates photos users have uploaded into more easy-to-see galleries.

Wanova, provider of a turnkey desktop cloud solution, raised $10 million in a second round of funding.