Microsoft dove headfirst into the hardware business this week with its new flagship Surface tablets. Competition drives innovation, and now four of the biggest tech companies - Apple, Amazon, Google and Microsoft - have different takes on the touchscreen. Eliot and Jon discussed the implications in this week's RWW hangout.

Here are links to the posts and topics we talked about:

We hang out at 11:00 a.m. Pacific on Thursdays, and you're welcome to join us or just watch live. (Here's the time for every time zone.) Make sure to follow +ReadWriteWeb on Google+ if you want to watch or participate. We'd love to have you!