Web action analytics. Tracks events rather than pageviews, so users clicking "Like", etc. All data in real time, detailed analysis, retained >3yrs. Pricing is free up to 25k data points, $150 for 500k, and upwards. Interesting.
Tools to automate and track the success of repetitive emails. Insteads of copying / pasting the same pitches in email, use tout and track response, opens, clicks, etc on all the different templates. $30/month for 1 user, $50 for 3, $100 for 10.
Really interesting service that builds an instant "loyalty program" which tracks users points for various actions on a web site, creates a league table, allows for paid out rewards, and so on. Very interesting.
Jessica Livingston's book, Founders at Work, interviews with some of the key tech entrepreneurs from over the years.
This article is meant to be a complete summary of funding options for startup founders. In effect we're open-sourcing the kernel of what we tell founders about funding at Y Combinator.
California based venture capital company focusing on seed funding, started by two stanford graduates.