Easily convert weeks to seconds.
Easily convert weeks to minutes.
Easily convert weeks to hours.
Easily convert weeks to days.
Easily convert weeks to months.
Get the gravatar.com globally recognized avatar for any email.
Take an IP and try to look for the domain/host associated with it.
Make sure your passwords are good enough.
Get approximate IP details.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get the web-host of a given website.